Specially formulated to safely increase carbonate hardness(KH) in planted tanks.
(verified owner) – January 15, 2018
I’d been using a digital scale to weigh out powdered KH additive to add to my weekly replacement water and suddenly, I had twice the dKH that I desired! I change water in 4 gallon increments of RODI, so, the 1 pump measure is perfect.
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