Two Little Fishies Kalkwasser – 4.4lb

Two Little Fishies Kalkwasser is a high-purity calcium hydroxide powder used to maintain calcium and alkalinity levels in reef aquariums. When mixed with freshwater, it creates kalkwasser solution, which can be used for top-off systems or slow drip dosing. This solution helps support coral skeletal growth, stabilize pH, and maintain natural seawater chemistry. The 4.4lb container is ideal for medium to large reef systems or long-term use.

Why You’ll Love It:

• Pure calcium hydroxide for reef aquarium dosing

• Maintains calcium and alkalinity levels naturally

• Helps support coral growth and coralline algae development

• Helps stabilize pH when dosed correctly

• 4.4lb size is economical for larger tanks or ongoing use