Earth Juice Meta-K (0-0-10) is a 100% natural liquid fertilizer that strengthens cell walls and plant stalks, and promotes root growth. Use Meta-K in hydroponics or soil gardening, alone or in conjunction with other Earth Juice formulas. Due to the high organic content of Meta-K (10% potash), gardeners may find crystallization of the product upon opening. According to the manufacturer, this is completely normal and will not alter the use or quality of the product