(1 customer review)

Specially formulated amalgam of divalent salts created to increase general hardness(GH) for planted tanks.

$16.99 $12.99

Dosing Instructions

1 pump per 4 gallons raises GH 2.8 degrees(1meg/l) A GH of 4-6 degrees is suggested

Guaranteed Analysis

Derived From Calcium Gluconate, Magnesium Gluconate, Calcium Chloride and Magnesium Chloride

Information regarding the heavy metal content of this product can be found at Association of American Plant Food Control Officials


  1. Terry Mann (verified owner)

    I’d been weighing out both GH and KH powder additives to my replacement RODI water and this turned out to be risky at best. I use 4 gallon increments in my water changes so this product works out great. I will still continue to test both GH and KH regularly.

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