API® KH Carbonate Hardness Test Kit — 90 Tests Iku Koi Kichi Perfect for outdoor relaxation

Perfect for outdoor relaxation

Improves clarity and buffers pH

8' Long 32

but also after dark (when used with optional lighting kits)

API® KH Carbonate Hardness Test Kit — 90 Tests Iku Koi Kichi Perfect for outdoor relaxationAPI KH Carbonate Hardness Test Kits test tap water in fresh or saltwater aquariums for carbonate hardness (KH). Carbonate hardness stabilizes aquarium pH, and can be used to determine proper dosage of pH buffers. Helps monitor water quality and prevent water problems that can harm fish Includes liquid dropper bottle, glass test tube with cap, color chart and instructions For use in fresh and salt water Makes 90 tests Safety Data Sheet Manual