Two Little Fishies Kalkwasser PH Protein and Calcium Saltwater Aquarium Powder Supplement - 500GM - 1.1 Lbs

Two Little Fishies Kalkwasser (500 g) – A high-purity calcium hydroxide supplement designed for reef aquariums, used for maintaining calcium and alkalinity levels
. This kalkwasser mix not only replenishes essential calcium for coral and coralline algae growth but also helps stabilize pH and precipitate phosphates, contributing to a cleaner, healthier aquarium and improved protein skimming
. One 500g jar can treat hundreds of gallons of water when dosed properly.