API® KH Carbonate Hardness Test Kit — 90 Tests Plantabbs N123-100 N123-200

N123-100 N123-200

Easy to Maintain

and other extraneous conditions

plants or animals that may drink from container water gardens

API® KH Carbonate Hardness Test Kit — 90 Tests Plantabbs N123-100 N123-200API 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