API® KH Carbonate Hardness Test Kit — 90 Tests Iku Koi Kichi but also after dark (when

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

You must be available at time of delivery

Tip: The cords between each light are only about 5' long

Require no lubrication and are certified for outdoor use

Maintains a healthy balanced ecosystem and reduces pond maintenance

API® KH Carbonate Hardness Test Kit — 90 Tests Iku Koi Kichi but also after dark (whenAPI 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