•Contains one (1) API pH TEST & ADJUSTER KIT 250-Test Freshwater Aquarium Water pH Test and Adjuster Kit, including 1 bottle of testing solution, 2 bottles of pH adjuster, 1 color card and 1 test tube with cap. •Helps monitor and adjust pH and prevent invisible water problems that can be harmful to fish. •Reads pH 6.0 - 7.6 and includes API pH UP and pH DOWN to adjust to proper level. •Designed for use in freshwater aquariums only.
eBay