Quick view Details HM Digital | sku: HMDTDS3 HM Digital TDS meter TDS-3 MSRP: Our Price: Sale Price: $29.95 Out of Stock Compare Quick view Details Bluelab | sku: BLU2221 Bluelab PPM Pen MSRP: Our Price: Sale Price: $104.94 Add to Cart Compare Quick view Details Bluelab | sku: BLU2000E Bluelab Truncheon Meter MSRP: Our Price: Sale Price: $157.95 Add to Cart Compare Quick view Details Hanna | sku: HI98318 Hanna GroLine EC/TDS Pen MSRP: Our Price: Sale Price: $85.00 Add to Cart Compare Quick view Details HM Digital | sku: THT500 HM Digital TDS meter COM80 MSRP: Our Price: Sale Price: $44.95 Out of Stock Compare Quick view Details Bluelab | sku: 716439 Bluelab Pulse Multimedia EC/MC Meter MSRP: Our Price: Sale Price: $308.00 Out of Stock Compare Quick view Details Hanna | sku: HI98131 Hanna GroLine pH/EC/TDS Combo Pen MSRP: Our Price: Sale Price: $225.00 Add to Cart Compare Quick view Details Hanna | sku: HI98331 Hanna GrowLine Direct Soil EC/Temp Tester MSRP: Our Price: Sale Price: $119.00 Out of Stock Compare Quick view HM Digital | sku: HMDTDS3 HM Digital TDS meter TDS-3 Ideal for commercial use, the TDS-3 includes a carrying case with belt clip. It is highly efficent and accurate due to its advanced microprocessor technology. It features a measurment range of 0-9990 ppm. From 0-999 ppm, the resolution is in increments... MSRP: Our Price: Sale Price: $29.95 Out of Stock Compare Quick view Bluelab | sku: BLU2221 Bluelab PPM Pen Bluelab ppm Pen Measures conductivity and temperature and is a great way to ensure plants are receiving the proper amounts of nutrients. This pen features a backlit LCD display, optional calibration and a successful calibration indicator, a... MSRP: Our Price: Sale Price: $104.94 Add to Cart Compare Quick view Bluelab | sku: BLU2000E Bluelab Truncheon Meter Bluelab Truncheon Meter Gardeners can easily measure and maintain nutrient strength levels with the waterproof Truncheon Meter. Truncheon Meter reads in EC (0.2-3.6), CF (2-36), TDS/ppm 500 (100-1800) and ppm 700 (140-2520). Accurate within ±... MSRP: Our Price: Sale Price: $157.95 Add to Cart Compare Quick view Hanna | sku: HI98318 Hanna GroLine EC/TDS Pen The Hanna GroLine EC/TDS Pen HI98318 is a pocket meter for measuring the EC/TDS of a hydroponic nutrient solution. This modern looking meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98318 has a... MSRP: Our Price: Sale Price: $85.00 Add to Cart Compare Quick view HM Digital | sku: THT500 HM Digital TDS meter COM80 Measures EC (μS, mS), TDS (ppm, ppt) and temperature in ºC/ºF. Features a durable, water-resistant housing, automatic temperature compensation, hold button, auto shut-off, digital (push button) calibration, low battery indicator, and a... MSRP: Our Price: Sale Price: $44.95 Out of Stock Compare Quick view Bluelab | sku: 716439 Bluelab Pulse Multimedia EC/MC Meter Bluelab Pulse Multimedia EC/MC Meter Bluelab® Pulse Multimedia EC/MC Meter is a new innovation that connects directly to your mobile device. Quickly spot check, correct, achieve better yield and grow healthier plants across a wide range of growing... MSRP: Our Price: Sale Price: $308.00 Out of Stock Compare Quick view Hanna | sku: HI98131 Hanna GroLine pH/EC/TDS Combo Pen Hanna GroLine pH/EC/TDS Combo Pen Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialized electrode combines 3 sensors in a single rugged probe... MSRP: Our Price: Sale Price: $225.00 Add to Cart Compare Quick view Hanna | sku: HI98331 Hanna GrowLine Direct Soil EC/Temp Tester The Hanna GrowLine Direct Soil EC/Temp Tester HI98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single-button operation, and automatic... MSRP: Our Price: Sale Price: $119.00 Out of Stock Compare Compare Selected × OK
Quick view Details Bluelab | sku: BLU2221 Bluelab PPM Pen MSRP: Our Price: Sale Price: $104.94 Add to Cart Compare Quick view Details Bluelab | sku: BLU2000E Bluelab Truncheon Meter MSRP: Our Price: Sale Price: $157.95 Add to Cart Compare Quick view Details Hanna | sku: HI98318 Hanna GroLine EC/TDS Pen MSRP: Our Price: Sale Price: $85.00 Add to Cart Compare Quick view Details HM Digital | sku: THT500 HM Digital TDS meter COM80 MSRP: Our Price: Sale Price: $44.95 Out of Stock Compare Quick view Details Bluelab | sku: 716439 Bluelab Pulse Multimedia EC/MC Meter MSRP: Our Price: Sale Price: $308.00 Out of Stock Compare Quick view Details Hanna | sku: HI98131 Hanna GroLine pH/EC/TDS Combo Pen MSRP: Our Price: Sale Price: $225.00 Add to Cart Compare Quick view Details Hanna | sku: HI98331 Hanna GrowLine Direct Soil EC/Temp Tester MSRP: Our Price: Sale Price: $119.00 Out of Stock Compare Quick view HM Digital | sku: HMDTDS3 HM Digital TDS meter TDS-3 Ideal for commercial use, the TDS-3 includes a carrying case with belt clip. It is highly efficent and accurate due to its advanced microprocessor technology. It features a measurment range of 0-9990 ppm. From 0-999 ppm, the resolution is in increments... MSRP: Our Price: Sale Price: $29.95 Out of Stock Compare Quick view Bluelab | sku: BLU2221 Bluelab PPM Pen Bluelab ppm Pen Measures conductivity and temperature and is a great way to ensure plants are receiving the proper amounts of nutrients. This pen features a backlit LCD display, optional calibration and a successful calibration indicator, a... MSRP: Our Price: Sale Price: $104.94 Add to Cart Compare Quick view Bluelab | sku: BLU2000E Bluelab Truncheon Meter Bluelab Truncheon Meter Gardeners can easily measure and maintain nutrient strength levels with the waterproof Truncheon Meter. Truncheon Meter reads in EC (0.2-3.6), CF (2-36), TDS/ppm 500 (100-1800) and ppm 700 (140-2520). Accurate within ±... MSRP: Our Price: Sale Price: $157.95 Add to Cart Compare Quick view Hanna | sku: HI98318 Hanna GroLine EC/TDS Pen The Hanna GroLine EC/TDS Pen HI98318 is a pocket meter for measuring the EC/TDS of a hydroponic nutrient solution. This modern looking meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98318 has a... MSRP: Our Price: Sale Price: $85.00 Add to Cart Compare Quick view HM Digital | sku: THT500 HM Digital TDS meter COM80 Measures EC (μS, mS), TDS (ppm, ppt) and temperature in ºC/ºF. Features a durable, water-resistant housing, automatic temperature compensation, hold button, auto shut-off, digital (push button) calibration, low battery indicator, and a... MSRP: Our Price: Sale Price: $44.95 Out of Stock Compare Quick view Bluelab | sku: 716439 Bluelab Pulse Multimedia EC/MC Meter Bluelab Pulse Multimedia EC/MC Meter Bluelab® Pulse Multimedia EC/MC Meter is a new innovation that connects directly to your mobile device. Quickly spot check, correct, achieve better yield and grow healthier plants across a wide range of growing... MSRP: Our Price: Sale Price: $308.00 Out of Stock Compare Quick view Hanna | sku: HI98131 Hanna GroLine pH/EC/TDS Combo Pen Hanna GroLine pH/EC/TDS Combo Pen Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialized electrode combines 3 sensors in a single rugged probe... MSRP: Our Price: Sale Price: $225.00 Add to Cart Compare Quick view Hanna | sku: HI98331 Hanna GrowLine Direct Soil EC/Temp Tester The Hanna GrowLine Direct Soil EC/Temp Tester HI98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single-button operation, and automatic... MSRP: Our Price: Sale Price: $119.00 Out of Stock Compare Compare Selected × OK
Quick view Details Bluelab | sku: BLU2000E Bluelab Truncheon Meter MSRP: Our Price: Sale Price: $157.95 Add to Cart Compare Quick view Details Hanna | sku: HI98318 Hanna GroLine EC/TDS Pen MSRP: Our Price: Sale Price: $85.00 Add to Cart Compare Quick view Details HM Digital | sku: THT500 HM Digital TDS meter COM80 MSRP: Our Price: Sale Price: $44.95 Out of Stock Compare Quick view Details Bluelab | sku: 716439 Bluelab Pulse Multimedia EC/MC Meter MSRP: Our Price: Sale Price: $308.00 Out of Stock Compare Quick view Details Hanna | sku: HI98131 Hanna GroLine pH/EC/TDS Combo Pen MSRP: Our Price: Sale Price: $225.00 Add to Cart Compare Quick view Details Hanna | sku: HI98331 Hanna GrowLine Direct Soil EC/Temp Tester MSRP: Our Price: Sale Price: $119.00 Out of Stock Compare Quick view HM Digital | sku: HMDTDS3 HM Digital TDS meter TDS-3 Ideal for commercial use, the TDS-3 includes a carrying case with belt clip. It is highly efficent and accurate due to its advanced microprocessor technology. It features a measurment range of 0-9990 ppm. From 0-999 ppm, the resolution is in increments... MSRP: Our Price: Sale Price: $29.95 Out of Stock Compare Quick view Bluelab | sku: BLU2221 Bluelab PPM Pen Bluelab ppm Pen Measures conductivity and temperature and is a great way to ensure plants are receiving the proper amounts of nutrients. This pen features a backlit LCD display, optional calibration and a successful calibration indicator, a... MSRP: Our Price: Sale Price: $104.94 Add to Cart Compare Quick view Bluelab | sku: BLU2000E Bluelab Truncheon Meter Bluelab Truncheon Meter Gardeners can easily measure and maintain nutrient strength levels with the waterproof Truncheon Meter. Truncheon Meter reads in EC (0.2-3.6), CF (2-36), TDS/ppm 500 (100-1800) and ppm 700 (140-2520). Accurate within ±... MSRP: Our Price: Sale Price: $157.95 Add to Cart Compare Quick view Hanna | sku: HI98318 Hanna GroLine EC/TDS Pen The Hanna GroLine EC/TDS Pen HI98318 is a pocket meter for measuring the EC/TDS of a hydroponic nutrient solution. This modern looking meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98318 has a... MSRP: Our Price: Sale Price: $85.00 Add to Cart Compare Quick view HM Digital | sku: THT500 HM Digital TDS meter COM80 Measures EC (μS, mS), TDS (ppm, ppt) and temperature in ºC/ºF. Features a durable, water-resistant housing, automatic temperature compensation, hold button, auto shut-off, digital (push button) calibration, low battery indicator, and a... MSRP: Our Price: Sale Price: $44.95 Out of Stock Compare Quick view Bluelab | sku: 716439 Bluelab Pulse Multimedia EC/MC Meter Bluelab Pulse Multimedia EC/MC Meter Bluelab® Pulse Multimedia EC/MC Meter is a new innovation that connects directly to your mobile device. Quickly spot check, correct, achieve better yield and grow healthier plants across a wide range of growing... MSRP: Our Price: Sale Price: $308.00 Out of Stock Compare Quick view Hanna | sku: HI98131 Hanna GroLine pH/EC/TDS Combo Pen Hanna GroLine pH/EC/TDS Combo Pen Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialized electrode combines 3 sensors in a single rugged probe... MSRP: Our Price: Sale Price: $225.00 Add to Cart Compare Quick view Hanna | sku: HI98331 Hanna GrowLine Direct Soil EC/Temp Tester The Hanna GrowLine Direct Soil EC/Temp Tester HI98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single-button operation, and automatic... MSRP: Our Price: Sale Price: $119.00 Out of Stock Compare Compare Selected × OK
Quick view Details Hanna | sku: HI98318 Hanna GroLine EC/TDS Pen MSRP: Our Price: Sale Price: $85.00 Add to Cart Compare Quick view Details HM Digital | sku: THT500 HM Digital TDS meter COM80 MSRP: Our Price: Sale Price: $44.95 Out of Stock Compare Quick view Details Bluelab | sku: 716439 Bluelab Pulse Multimedia EC/MC Meter MSRP: Our Price: Sale Price: $308.00 Out of Stock Compare Quick view Details Hanna | sku: HI98131 Hanna GroLine pH/EC/TDS Combo Pen MSRP: Our Price: Sale Price: $225.00 Add to Cart Compare Quick view Details Hanna | sku: HI98331 Hanna GrowLine Direct Soil EC/Temp Tester MSRP: Our Price: Sale Price: $119.00 Out of Stock Compare Quick view HM Digital | sku: HMDTDS3 HM Digital TDS meter TDS-3 Ideal for commercial use, the TDS-3 includes a carrying case with belt clip. It is highly efficent and accurate due to its advanced microprocessor technology. It features a measurment range of 0-9990 ppm. From 0-999 ppm, the resolution is in increments... MSRP: Our Price: Sale Price: $29.95 Out of Stock Compare Quick view Bluelab | sku: BLU2221 Bluelab PPM Pen Bluelab ppm Pen Measures conductivity and temperature and is a great way to ensure plants are receiving the proper amounts of nutrients. This pen features a backlit LCD display, optional calibration and a successful calibration indicator, a... MSRP: Our Price: Sale Price: $104.94 Add to Cart Compare Quick view Bluelab | sku: BLU2000E Bluelab Truncheon Meter Bluelab Truncheon Meter Gardeners can easily measure and maintain nutrient strength levels with the waterproof Truncheon Meter. Truncheon Meter reads in EC (0.2-3.6), CF (2-36), TDS/ppm 500 (100-1800) and ppm 700 (140-2520). Accurate within ±... MSRP: Our Price: Sale Price: $157.95 Add to Cart Compare Quick view Hanna | sku: HI98318 Hanna GroLine EC/TDS Pen The Hanna GroLine EC/TDS Pen HI98318 is a pocket meter for measuring the EC/TDS of a hydroponic nutrient solution. This modern looking meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98318 has a... MSRP: Our Price: Sale Price: $85.00 Add to Cart Compare Quick view HM Digital | sku: THT500 HM Digital TDS meter COM80 Measures EC (μS, mS), TDS (ppm, ppt) and temperature in ºC/ºF. Features a durable, water-resistant housing, automatic temperature compensation, hold button, auto shut-off, digital (push button) calibration, low battery indicator, and a... MSRP: Our Price: Sale Price: $44.95 Out of Stock Compare Quick view Bluelab | sku: 716439 Bluelab Pulse Multimedia EC/MC Meter Bluelab Pulse Multimedia EC/MC Meter Bluelab® Pulse Multimedia EC/MC Meter is a new innovation that connects directly to your mobile device. Quickly spot check, correct, achieve better yield and grow healthier plants across a wide range of growing... MSRP: Our Price: Sale Price: $308.00 Out of Stock Compare Quick view Hanna | sku: HI98131 Hanna GroLine pH/EC/TDS Combo Pen Hanna GroLine pH/EC/TDS Combo Pen Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialized electrode combines 3 sensors in a single rugged probe... MSRP: Our Price: Sale Price: $225.00 Add to Cart Compare Quick view Hanna | sku: HI98331 Hanna GrowLine Direct Soil EC/Temp Tester The Hanna GrowLine Direct Soil EC/Temp Tester HI98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single-button operation, and automatic... MSRP: Our Price: Sale Price: $119.00 Out of Stock Compare Compare Selected × OK
Quick view Details HM Digital | sku: THT500 HM Digital TDS meter COM80 MSRP: Our Price: Sale Price: $44.95 Out of Stock Compare Quick view Details Bluelab | sku: 716439 Bluelab Pulse Multimedia EC/MC Meter MSRP: Our Price: Sale Price: $308.00 Out of Stock Compare Quick view Details Hanna | sku: HI98131 Hanna GroLine pH/EC/TDS Combo Pen MSRP: Our Price: Sale Price: $225.00 Add to Cart Compare Quick view Details Hanna | sku: HI98331 Hanna GrowLine Direct Soil EC/Temp Tester MSRP: Our Price: Sale Price: $119.00 Out of Stock Compare Quick view HM Digital | sku: HMDTDS3 HM Digital TDS meter TDS-3 Ideal for commercial use, the TDS-3 includes a carrying case with belt clip. It is highly efficent and accurate due to its advanced microprocessor technology. It features a measurment range of 0-9990 ppm. From 0-999 ppm, the resolution is in increments... MSRP: Our Price: Sale Price: $29.95 Out of Stock Compare Quick view Bluelab | sku: BLU2221 Bluelab PPM Pen Bluelab ppm Pen Measures conductivity and temperature and is a great way to ensure plants are receiving the proper amounts of nutrients. This pen features a backlit LCD display, optional calibration and a successful calibration indicator, a... MSRP: Our Price: Sale Price: $104.94 Add to Cart Compare Quick view Bluelab | sku: BLU2000E Bluelab Truncheon Meter Bluelab Truncheon Meter Gardeners can easily measure and maintain nutrient strength levels with the waterproof Truncheon Meter. Truncheon Meter reads in EC (0.2-3.6), CF (2-36), TDS/ppm 500 (100-1800) and ppm 700 (140-2520). Accurate within ±... MSRP: Our Price: Sale Price: $157.95 Add to Cart Compare Quick view Hanna | sku: HI98318 Hanna GroLine EC/TDS Pen The Hanna GroLine EC/TDS Pen HI98318 is a pocket meter for measuring the EC/TDS of a hydroponic nutrient solution. This modern looking meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98318 has a... MSRP: Our Price: Sale Price: $85.00 Add to Cart Compare Quick view HM Digital | sku: THT500 HM Digital TDS meter COM80 Measures EC (μS, mS), TDS (ppm, ppt) and temperature in ºC/ºF. Features a durable, water-resistant housing, automatic temperature compensation, hold button, auto shut-off, digital (push button) calibration, low battery indicator, and a... MSRP: Our Price: Sale Price: $44.95 Out of Stock Compare Quick view Bluelab | sku: 716439 Bluelab Pulse Multimedia EC/MC Meter Bluelab Pulse Multimedia EC/MC Meter Bluelab® Pulse Multimedia EC/MC Meter is a new innovation that connects directly to your mobile device. Quickly spot check, correct, achieve better yield and grow healthier plants across a wide range of growing... MSRP: Our Price: Sale Price: $308.00 Out of Stock Compare Quick view Hanna | sku: HI98131 Hanna GroLine pH/EC/TDS Combo Pen Hanna GroLine pH/EC/TDS Combo Pen Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialized electrode combines 3 sensors in a single rugged probe... MSRP: Our Price: Sale Price: $225.00 Add to Cart Compare Quick view Hanna | sku: HI98331 Hanna GrowLine Direct Soil EC/Temp Tester The Hanna GrowLine Direct Soil EC/Temp Tester HI98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single-button operation, and automatic... MSRP: Our Price: Sale Price: $119.00 Out of Stock Compare Compare Selected × OK
Quick view Details Bluelab | sku: 716439 Bluelab Pulse Multimedia EC/MC Meter MSRP: Our Price: Sale Price: $308.00 Out of Stock Compare Quick view Details Hanna | sku: HI98131 Hanna GroLine pH/EC/TDS Combo Pen MSRP: Our Price: Sale Price: $225.00 Add to Cart Compare Quick view Details Hanna | sku: HI98331 Hanna GrowLine Direct Soil EC/Temp Tester MSRP: Our Price: Sale Price: $119.00 Out of Stock Compare Quick view HM Digital | sku: HMDTDS3 HM Digital TDS meter TDS-3 Ideal for commercial use, the TDS-3 includes a carrying case with belt clip. It is highly efficent and accurate due to its advanced microprocessor technology. It features a measurment range of 0-9990 ppm. From 0-999 ppm, the resolution is in increments... MSRP: Our Price: Sale Price: $29.95 Out of Stock Compare Quick view Bluelab | sku: BLU2221 Bluelab PPM Pen Bluelab ppm Pen Measures conductivity and temperature and is a great way to ensure plants are receiving the proper amounts of nutrients. This pen features a backlit LCD display, optional calibration and a successful calibration indicator, a... MSRP: Our Price: Sale Price: $104.94 Add to Cart Compare Quick view Bluelab | sku: BLU2000E Bluelab Truncheon Meter Bluelab Truncheon Meter Gardeners can easily measure and maintain nutrient strength levels with the waterproof Truncheon Meter. Truncheon Meter reads in EC (0.2-3.6), CF (2-36), TDS/ppm 500 (100-1800) and ppm 700 (140-2520). Accurate within ±... MSRP: Our Price: Sale Price: $157.95 Add to Cart Compare Quick view Hanna | sku: HI98318 Hanna GroLine EC/TDS Pen The Hanna GroLine EC/TDS Pen HI98318 is a pocket meter for measuring the EC/TDS of a hydroponic nutrient solution. This modern looking meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98318 has a... MSRP: Our Price: Sale Price: $85.00 Add to Cart Compare Quick view HM Digital | sku: THT500 HM Digital TDS meter COM80 Measures EC (μS, mS), TDS (ppm, ppt) and temperature in ºC/ºF. Features a durable, water-resistant housing, automatic temperature compensation, hold button, auto shut-off, digital (push button) calibration, low battery indicator, and a... MSRP: Our Price: Sale Price: $44.95 Out of Stock Compare Quick view Bluelab | sku: 716439 Bluelab Pulse Multimedia EC/MC Meter Bluelab Pulse Multimedia EC/MC Meter Bluelab® Pulse Multimedia EC/MC Meter is a new innovation that connects directly to your mobile device. Quickly spot check, correct, achieve better yield and grow healthier plants across a wide range of growing... MSRP: Our Price: Sale Price: $308.00 Out of Stock Compare Quick view Hanna | sku: HI98131 Hanna GroLine pH/EC/TDS Combo Pen Hanna GroLine pH/EC/TDS Combo Pen Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialized electrode combines 3 sensors in a single rugged probe... MSRP: Our Price: Sale Price: $225.00 Add to Cart Compare Quick view Hanna | sku: HI98331 Hanna GrowLine Direct Soil EC/Temp Tester The Hanna GrowLine Direct Soil EC/Temp Tester HI98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single-button operation, and automatic... MSRP: Our Price: Sale Price: $119.00 Out of Stock Compare Compare Selected × OK
Quick view Details Hanna | sku: HI98131 Hanna GroLine pH/EC/TDS Combo Pen MSRP: Our Price: Sale Price: $225.00 Add to Cart Compare Quick view Details Hanna | sku: HI98331 Hanna GrowLine Direct Soil EC/Temp Tester MSRP: Our Price: Sale Price: $119.00 Out of Stock Compare Quick view HM Digital | sku: HMDTDS3 HM Digital TDS meter TDS-3 Ideal for commercial use, the TDS-3 includes a carrying case with belt clip. It is highly efficent and accurate due to its advanced microprocessor technology. It features a measurment range of 0-9990 ppm. From 0-999 ppm, the resolution is in increments... MSRP: Our Price: Sale Price: $29.95 Out of Stock Compare Quick view Bluelab | sku: BLU2221 Bluelab PPM Pen Bluelab ppm Pen Measures conductivity and temperature and is a great way to ensure plants are receiving the proper amounts of nutrients. This pen features a backlit LCD display, optional calibration and a successful calibration indicator, a... MSRP: Our Price: Sale Price: $104.94 Add to Cart Compare Quick view Bluelab | sku: BLU2000E Bluelab Truncheon Meter Bluelab Truncheon Meter Gardeners can easily measure and maintain nutrient strength levels with the waterproof Truncheon Meter. Truncheon Meter reads in EC (0.2-3.6), CF (2-36), TDS/ppm 500 (100-1800) and ppm 700 (140-2520). Accurate within ±... MSRP: Our Price: Sale Price: $157.95 Add to Cart Compare Quick view Hanna | sku: HI98318 Hanna GroLine EC/TDS Pen The Hanna GroLine EC/TDS Pen HI98318 is a pocket meter for measuring the EC/TDS of a hydroponic nutrient solution. This modern looking meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98318 has a... MSRP: Our Price: Sale Price: $85.00 Add to Cart Compare Quick view HM Digital | sku: THT500 HM Digital TDS meter COM80 Measures EC (μS, mS), TDS (ppm, ppt) and temperature in ºC/ºF. Features a durable, water-resistant housing, automatic temperature compensation, hold button, auto shut-off, digital (push button) calibration, low battery indicator, and a... MSRP: Our Price: Sale Price: $44.95 Out of Stock Compare Quick view Bluelab | sku: 716439 Bluelab Pulse Multimedia EC/MC Meter Bluelab Pulse Multimedia EC/MC Meter Bluelab® Pulse Multimedia EC/MC Meter is a new innovation that connects directly to your mobile device. Quickly spot check, correct, achieve better yield and grow healthier plants across a wide range of growing... MSRP: Our Price: Sale Price: $308.00 Out of Stock Compare Quick view Hanna | sku: HI98131 Hanna GroLine pH/EC/TDS Combo Pen Hanna GroLine pH/EC/TDS Combo Pen Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialized electrode combines 3 sensors in a single rugged probe... MSRP: Our Price: Sale Price: $225.00 Add to Cart Compare Quick view Hanna | sku: HI98331 Hanna GrowLine Direct Soil EC/Temp Tester The Hanna GrowLine Direct Soil EC/Temp Tester HI98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single-button operation, and automatic... MSRP: Our Price: Sale Price: $119.00 Out of Stock Compare Compare Selected × OK
Quick view Details Hanna | sku: HI98331 Hanna GrowLine Direct Soil EC/Temp Tester MSRP: Our Price: Sale Price: $119.00 Out of Stock Compare Quick view HM Digital | sku: HMDTDS3 HM Digital TDS meter TDS-3 Ideal for commercial use, the TDS-3 includes a carrying case with belt clip. It is highly efficent and accurate due to its advanced microprocessor technology. It features a measurment range of 0-9990 ppm. From 0-999 ppm, the resolution is in increments... MSRP: Our Price: Sale Price: $29.95 Out of Stock Compare Quick view Bluelab | sku: BLU2221 Bluelab PPM Pen Bluelab ppm Pen Measures conductivity and temperature and is a great way to ensure plants are receiving the proper amounts of nutrients. This pen features a backlit LCD display, optional calibration and a successful calibration indicator, a... MSRP: Our Price: Sale Price: $104.94 Add to Cart Compare Quick view Bluelab | sku: BLU2000E Bluelab Truncheon Meter Bluelab Truncheon Meter Gardeners can easily measure and maintain nutrient strength levels with the waterproof Truncheon Meter. Truncheon Meter reads in EC (0.2-3.6), CF (2-36), TDS/ppm 500 (100-1800) and ppm 700 (140-2520). Accurate within ±... MSRP: Our Price: Sale Price: $157.95 Add to Cart Compare Quick view Hanna | sku: HI98318 Hanna GroLine EC/TDS Pen The Hanna GroLine EC/TDS Pen HI98318 is a pocket meter for measuring the EC/TDS of a hydroponic nutrient solution. This modern looking meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98318 has a... MSRP: Our Price: Sale Price: $85.00 Add to Cart Compare Quick view HM Digital | sku: THT500 HM Digital TDS meter COM80 Measures EC (μS, mS), TDS (ppm, ppt) and temperature in ºC/ºF. Features a durable, water-resistant housing, automatic temperature compensation, hold button, auto shut-off, digital (push button) calibration, low battery indicator, and a... MSRP: Our Price: Sale Price: $44.95 Out of Stock Compare Quick view Bluelab | sku: 716439 Bluelab Pulse Multimedia EC/MC Meter Bluelab Pulse Multimedia EC/MC Meter Bluelab® Pulse Multimedia EC/MC Meter is a new innovation that connects directly to your mobile device. Quickly spot check, correct, achieve better yield and grow healthier plants across a wide range of growing... MSRP: Our Price: Sale Price: $308.00 Out of Stock Compare Quick view Hanna | sku: HI98131 Hanna GroLine pH/EC/TDS Combo Pen Hanna GroLine pH/EC/TDS Combo Pen Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialized electrode combines 3 sensors in a single rugged probe... MSRP: Our Price: Sale Price: $225.00 Add to Cart Compare Quick view Hanna | sku: HI98331 Hanna GrowLine Direct Soil EC/Temp Tester The Hanna GrowLine Direct Soil EC/Temp Tester HI98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single-button operation, and automatic... MSRP: Our Price: Sale Price: $119.00 Out of Stock Compare Compare Selected × OK
Quick view HM Digital | sku: HMDTDS3 HM Digital TDS meter TDS-3 Ideal for commercial use, the TDS-3 includes a carrying case with belt clip. It is highly efficent and accurate due to its advanced microprocessor technology. It features a measurment range of 0-9990 ppm. From 0-999 ppm, the resolution is in increments... MSRP: Our Price: Sale Price: $29.95 Out of Stock Compare Quick view Bluelab | sku: BLU2221 Bluelab PPM Pen Bluelab ppm Pen Measures conductivity and temperature and is a great way to ensure plants are receiving the proper amounts of nutrients. This pen features a backlit LCD display, optional calibration and a successful calibration indicator, a... MSRP: Our Price: Sale Price: $104.94 Add to Cart Compare Quick view Bluelab | sku: BLU2000E Bluelab Truncheon Meter Bluelab Truncheon Meter Gardeners can easily measure and maintain nutrient strength levels with the waterproof Truncheon Meter. Truncheon Meter reads in EC (0.2-3.6), CF (2-36), TDS/ppm 500 (100-1800) and ppm 700 (140-2520). Accurate within ±... MSRP: Our Price: Sale Price: $157.95 Add to Cart Compare Quick view Hanna | sku: HI98318 Hanna GroLine EC/TDS Pen The Hanna GroLine EC/TDS Pen HI98318 is a pocket meter for measuring the EC/TDS of a hydroponic nutrient solution. This modern looking meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98318 has a... MSRP: Our Price: Sale Price: $85.00 Add to Cart Compare Quick view HM Digital | sku: THT500 HM Digital TDS meter COM80 Measures EC (μS, mS), TDS (ppm, ppt) and temperature in ºC/ºF. Features a durable, water-resistant housing, automatic temperature compensation, hold button, auto shut-off, digital (push button) calibration, low battery indicator, and a... MSRP: Our Price: Sale Price: $44.95 Out of Stock Compare Quick view Bluelab | sku: 716439 Bluelab Pulse Multimedia EC/MC Meter Bluelab Pulse Multimedia EC/MC Meter Bluelab® Pulse Multimedia EC/MC Meter is a new innovation that connects directly to your mobile device. Quickly spot check, correct, achieve better yield and grow healthier plants across a wide range of growing... MSRP: Our Price: Sale Price: $308.00 Out of Stock Compare Quick view Hanna | sku: HI98131 Hanna GroLine pH/EC/TDS Combo Pen Hanna GroLine pH/EC/TDS Combo Pen Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialized electrode combines 3 sensors in a single rugged probe... MSRP: Our Price: Sale Price: $225.00 Add to Cart Compare Quick view Hanna | sku: HI98331 Hanna GrowLine Direct Soil EC/Temp Tester The Hanna GrowLine Direct Soil EC/Temp Tester HI98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single-button operation, and automatic... MSRP: Our Price: Sale Price: $119.00 Out of Stock Compare Compare Selected × OK
Quick view Bluelab | sku: BLU2221 Bluelab PPM Pen Bluelab ppm Pen Measures conductivity and temperature and is a great way to ensure plants are receiving the proper amounts of nutrients. This pen features a backlit LCD display, optional calibration and a successful calibration indicator, a... MSRP: Our Price: Sale Price: $104.94 Add to Cart Compare Quick view Bluelab | sku: BLU2000E Bluelab Truncheon Meter Bluelab Truncheon Meter Gardeners can easily measure and maintain nutrient strength levels with the waterproof Truncheon Meter. Truncheon Meter reads in EC (0.2-3.6), CF (2-36), TDS/ppm 500 (100-1800) and ppm 700 (140-2520). Accurate within ±... MSRP: Our Price: Sale Price: $157.95 Add to Cart Compare Quick view Hanna | sku: HI98318 Hanna GroLine EC/TDS Pen The Hanna GroLine EC/TDS Pen HI98318 is a pocket meter for measuring the EC/TDS of a hydroponic nutrient solution. This modern looking meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98318 has a... MSRP: Our Price: Sale Price: $85.00 Add to Cart Compare Quick view HM Digital | sku: THT500 HM Digital TDS meter COM80 Measures EC (μS, mS), TDS (ppm, ppt) and temperature in ºC/ºF. Features a durable, water-resistant housing, automatic temperature compensation, hold button, auto shut-off, digital (push button) calibration, low battery indicator, and a... MSRP: Our Price: Sale Price: $44.95 Out of Stock Compare Quick view Bluelab | sku: 716439 Bluelab Pulse Multimedia EC/MC Meter Bluelab Pulse Multimedia EC/MC Meter Bluelab® Pulse Multimedia EC/MC Meter is a new innovation that connects directly to your mobile device. Quickly spot check, correct, achieve better yield and grow healthier plants across a wide range of growing... MSRP: Our Price: Sale Price: $308.00 Out of Stock Compare Quick view Hanna | sku: HI98131 Hanna GroLine pH/EC/TDS Combo Pen Hanna GroLine pH/EC/TDS Combo Pen Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialized electrode combines 3 sensors in a single rugged probe... MSRP: Our Price: Sale Price: $225.00 Add to Cart Compare Quick view Hanna | sku: HI98331 Hanna GrowLine Direct Soil EC/Temp Tester The Hanna GrowLine Direct Soil EC/Temp Tester HI98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single-button operation, and automatic... MSRP: Our Price: Sale Price: $119.00 Out of Stock Compare Compare Selected × OK
Quick view Bluelab | sku: BLU2000E Bluelab Truncheon Meter Bluelab Truncheon Meter Gardeners can easily measure and maintain nutrient strength levels with the waterproof Truncheon Meter. Truncheon Meter reads in EC (0.2-3.6), CF (2-36), TDS/ppm 500 (100-1800) and ppm 700 (140-2520). Accurate within ±... MSRP: Our Price: Sale Price: $157.95 Add to Cart Compare Quick view Hanna | sku: HI98318 Hanna GroLine EC/TDS Pen The Hanna GroLine EC/TDS Pen HI98318 is a pocket meter for measuring the EC/TDS of a hydroponic nutrient solution. This modern looking meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98318 has a... MSRP: Our Price: Sale Price: $85.00 Add to Cart Compare Quick view HM Digital | sku: THT500 HM Digital TDS meter COM80 Measures EC (μS, mS), TDS (ppm, ppt) and temperature in ºC/ºF. Features a durable, water-resistant housing, automatic temperature compensation, hold button, auto shut-off, digital (push button) calibration, low battery indicator, and a... MSRP: Our Price: Sale Price: $44.95 Out of Stock Compare Quick view Bluelab | sku: 716439 Bluelab Pulse Multimedia EC/MC Meter Bluelab Pulse Multimedia EC/MC Meter Bluelab® Pulse Multimedia EC/MC Meter is a new innovation that connects directly to your mobile device. Quickly spot check, correct, achieve better yield and grow healthier plants across a wide range of growing... MSRP: Our Price: Sale Price: $308.00 Out of Stock Compare Quick view Hanna | sku: HI98131 Hanna GroLine pH/EC/TDS Combo Pen Hanna GroLine pH/EC/TDS Combo Pen Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialized electrode combines 3 sensors in a single rugged probe... MSRP: Our Price: Sale Price: $225.00 Add to Cart Compare Quick view Hanna | sku: HI98331 Hanna GrowLine Direct Soil EC/Temp Tester The Hanna GrowLine Direct Soil EC/Temp Tester HI98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single-button operation, and automatic... MSRP: Our Price: Sale Price: $119.00 Out of Stock Compare Compare Selected × OK
Quick view Hanna | sku: HI98318 Hanna GroLine EC/TDS Pen The Hanna GroLine EC/TDS Pen HI98318 is a pocket meter for measuring the EC/TDS of a hydroponic nutrient solution. This modern looking meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98318 has a... MSRP: Our Price: Sale Price: $85.00 Add to Cart Compare Quick view HM Digital | sku: THT500 HM Digital TDS meter COM80 Measures EC (μS, mS), TDS (ppm, ppt) and temperature in ºC/ºF. Features a durable, water-resistant housing, automatic temperature compensation, hold button, auto shut-off, digital (push button) calibration, low battery indicator, and a... MSRP: Our Price: Sale Price: $44.95 Out of Stock Compare Quick view Bluelab | sku: 716439 Bluelab Pulse Multimedia EC/MC Meter Bluelab Pulse Multimedia EC/MC Meter Bluelab® Pulse Multimedia EC/MC Meter is a new innovation that connects directly to your mobile device. Quickly spot check, correct, achieve better yield and grow healthier plants across a wide range of growing... MSRP: Our Price: Sale Price: $308.00 Out of Stock Compare Quick view Hanna | sku: HI98131 Hanna GroLine pH/EC/TDS Combo Pen Hanna GroLine pH/EC/TDS Combo Pen Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialized electrode combines 3 sensors in a single rugged probe... MSRP: Our Price: Sale Price: $225.00 Add to Cart Compare Quick view Hanna | sku: HI98331 Hanna GrowLine Direct Soil EC/Temp Tester The Hanna GrowLine Direct Soil EC/Temp Tester HI98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single-button operation, and automatic... MSRP: Our Price: Sale Price: $119.00 Out of Stock Compare Compare Selected × OK
Quick view HM Digital | sku: THT500 HM Digital TDS meter COM80 Measures EC (μS, mS), TDS (ppm, ppt) and temperature in ºC/ºF. Features a durable, water-resistant housing, automatic temperature compensation, hold button, auto shut-off, digital (push button) calibration, low battery indicator, and a... MSRP: Our Price: Sale Price: $44.95 Out of Stock Compare Quick view Bluelab | sku: 716439 Bluelab Pulse Multimedia EC/MC Meter Bluelab Pulse Multimedia EC/MC Meter Bluelab® Pulse Multimedia EC/MC Meter is a new innovation that connects directly to your mobile device. Quickly spot check, correct, achieve better yield and grow healthier plants across a wide range of growing... MSRP: Our Price: Sale Price: $308.00 Out of Stock Compare Quick view Hanna | sku: HI98131 Hanna GroLine pH/EC/TDS Combo Pen Hanna GroLine pH/EC/TDS Combo Pen Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialized electrode combines 3 sensors in a single rugged probe... MSRP: Our Price: Sale Price: $225.00 Add to Cart Compare Quick view Hanna | sku: HI98331 Hanna GrowLine Direct Soil EC/Temp Tester The Hanna GrowLine Direct Soil EC/Temp Tester HI98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single-button operation, and automatic... MSRP: Our Price: Sale Price: $119.00 Out of Stock Compare Compare Selected × OK
Quick view Bluelab | sku: 716439 Bluelab Pulse Multimedia EC/MC Meter Bluelab Pulse Multimedia EC/MC Meter Bluelab® Pulse Multimedia EC/MC Meter is a new innovation that connects directly to your mobile device. Quickly spot check, correct, achieve better yield and grow healthier plants across a wide range of growing... MSRP: Our Price: Sale Price: $308.00 Out of Stock Compare Quick view Hanna | sku: HI98131 Hanna GroLine pH/EC/TDS Combo Pen Hanna GroLine pH/EC/TDS Combo Pen Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialized electrode combines 3 sensors in a single rugged probe... MSRP: Our Price: Sale Price: $225.00 Add to Cart Compare Quick view Hanna | sku: HI98331 Hanna GrowLine Direct Soil EC/Temp Tester The Hanna GrowLine Direct Soil EC/Temp Tester HI98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single-button operation, and automatic... MSRP: Our Price: Sale Price: $119.00 Out of Stock Compare Compare Selected × OK
Quick view Hanna | sku: HI98131 Hanna GroLine pH/EC/TDS Combo Pen Hanna GroLine pH/EC/TDS Combo Pen Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialized electrode combines 3 sensors in a single rugged probe... MSRP: Our Price: Sale Price: $225.00 Add to Cart Compare Quick view Hanna | sku: HI98331 Hanna GrowLine Direct Soil EC/Temp Tester The Hanna GrowLine Direct Soil EC/Temp Tester HI98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single-button operation, and automatic... MSRP: Our Price: Sale Price: $119.00 Out of Stock Compare Compare Selected
Quick view Hanna | sku: HI98331 Hanna GrowLine Direct Soil EC/Temp Tester The Hanna GrowLine Direct Soil EC/Temp Tester HI98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity (EC) and temperature. With a compact size, single-button operation, and automatic... MSRP: Our Price: Sale Price: $119.00 Out of Stock Compare Compare Selected