Taking a few minutes each week to maintain and monitor aquarium conditions is the key to a healthy aquarium.   pH control is imperative to prevent the harmful effects of overly alkaline or acidic aquarium water on fish and plant life.  Fish require a specific pH level to thrive.  However, pH in an aquarium can fluctuate due to fish waste, addition of tap water and the build-up of natural acids.   Use this kit to easily and accurately measure the pH level and maintain a healthy freshwater community aquarium.  For use in freshwater aquariums.