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Dosing with Kalkwasser is an effective way to add calcium and alkalinity to your reef tank. Be sure to test and make sure your calcium and alkalinity levels are correct before beginning Kalkwasser dosing.
- Pure calcium hydroxide from Two Little Fishies
- Available in 2 kg or 500 g
Works well By Ronald on 3/15/2017Ronald would recommend this product to a friendThis is my first kalkwasser product used. Everything about it has seemed fine. It dissolves well, and seems to have had the intended chemical affects on my system. I don't have any prior experience to compare it to however.