AquaLabs CO2 Drop Checker and Solution Freshwater Aquaforest KH Buffer is a

Aquaforest KH Buffer is a high-purity powdered alkalinity supplement designed for reef aquariums

The Calcium from Component 1+ binds with the Carbonate from Component 2+ creating Calcium Carbonate which is what corals are made of/need to grow

Due to the acidic reaction of AF Energy

therefore AF Build should be used during intensive coral feeding

facilitating their development and multiplication

AquaLabs CO2 Drop Checker and Solution Freshwater Aquaforest KH Buffer is aThe AquaLabs CO2 Checker Kit includes a glass drop checker and indicator solution. It can be used in aquariums with CO2 injection to determine approximate CO2 levels.