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ESV Calcium Hydroxide (Kalkwasser Powder) 14 oz (400 grams)
ESV Calcium Hydroxide (Kalkwasser Powder) 14 oz (400 grams)

ESV Calcium Hydroxide (Kalkwasser Powder) 14 oz (400 grams)

ESV Aquarium

$17.50

Shipping calculated at checkout

ESV Calcium Hydroxide is pure and meets American Water Works Association and Water Chemical Codex requirements. Dosing with Kalkwasser is one of the very few proven, effective methods to add calcium and alkalinity with a single product while maintaining pH. Commonly used in conjunction with auto top off systems.