Maintain proper alkalinity and pH levels in marine or reef aquariums Reverse declining aquarium conditions due to low alkalinity and pH Stabilize aquarium water parameters for healthy reef aquarium inhabitants Optimize water parameters essential to marine aquarium health, pH and alkalinity are fundamental parameters that form the basis of stable marine aquarium water chemistry, Two Little Fishies pH-Balance marine aquarium buffer raises alkalinity and pH to the desired levels, Effectively buffers aquarium water from the effects of acidification due to natural biological processes, Dissolve dry power with fresh water to create a solution that helps maintain and stabilize water quality vital to the health of your marine and reef inhabitants, Please click on ""More Information"" for directions and dosing notes, SKU: RYLHC6447