ESV Calcium Hydroxide — Kalkwasser Powder

ESV calcium hydroxide (kalkwasser powder), available in two package sizes.

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.

Prepare and use according to the manufacturer instructions. Review aquarium measurements and your existing supplementation routine before making changes.

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