Grow Rocks / Rockwool

  • Hydroton PLANT!T Clay Pebbles 10L 4mm-16mm

    PLANT!T horticultural clay pebbles are made from 100% natural clay. They are clean, pH stable, and offer great aeration and drainage in hydroponics, especially in flood and drain, deep water culture, and drip feed systems. Due to their unique structure...

    $9.95
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  • Grodan Gro-Slab 8"x36"x3"

    Grodan Stonewool is a proven hydroponics growing medium preferred by garden enthusiasts everywhere. This 36" x 8" x 3" Delta Expert Gro-Slab is perfect for "blocking on" smaller stonewool plugs and blocks to accommodate the final stages of plant growth...

    $9.95
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  • Hydroton PLANT!T Clay Pebbles 40L 4mm-16mm

    Hydroton PLANT!T Clay Pebbles 40L 4mm-16mm

    PLANT!T horticultural clay pebbles are made from 100% natural clay. They are clean, pH stable, and offer great aeration and drainage in hydroponics, especially in flood and drain, deep water culture, and drip feed systems. Due to their unique structure...

    $29.95
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  • Grodan Rockwool 4x4 w/ Hole

    Known for its quality, consistency and ease of use, high-performance Grodan stonewool is used by hydroponics gardeners the world over. Seeds or cuttings are started in these larger Grodan Gro-Blocks and, once rooted, the blocks are...

    $9.95
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  • Growstone Gnat Nix 9 L

    Scientifically proven Gnat Nix provides an effective, long-lasting physical barrier against fungus gnats. Used as a top dressing, it interrupts the gnats’ lifecycle by preventing adult emergence from hatching larvae and deterring females from...

    $13.95
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  • Growstone GS-1 Hydro Stones 1.5cf

    Growstone GS-1 Hydro Stones 1.5cf

    Growstones are a breakthrough, high-performance hydroponic growing medium specifically engineered for a balanced air-to-water ratio. Growstones deliver 67% more water retention and 12% more aeration than clay pebbles. The sustainable, earth-friendly...

    $34.95 $29.95
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  • Growstone GS-1 Hydro Stones 9L

    Growstone GS-1 Hydro Stones 9L

    Growstones are a breakthrough, high-performance hydroponic growing medium specifically engineered for a balanced air-to-water ratio. Growstones deliver 67% more water retention and 12% more aeration than clay pebbles. The sustainable, earth-friendly...

    $11.95
    Add to Cart