Potassium Bi-Carbonate is used as a pH adjuster, shifting the pH upwards (more alkaline/basic; less acidic). While adjusting the pH upwards, the system is supplied with a source of potassium which is necessary for plants, particularly fruiting plants. . . .
ONLY $10.25 for 500 grams
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This kelp powder is a potent soil-improver, concentrated into a 100% soluble powder. It contains natural growth hormones plus trace elements and amino acids, stimulating microbial activity. An excellent boost for aquaponics systems. . . .
ONLY $15.65 for 250 grams
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