API® KH Carbonate Hardness Test Kit
API® KH Carbonate Hardness Test Kit
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API® KH Carbonate Hardness Test Kits test tap water in fresh or saltwater aquariums for carbonate hardness (KH). can be used to determine proper dosage of pH buffers.
  • Includes liquid dropper bottle, glass test tube with cap, and easy-to-read instructions
  • For use in fresh and salt water
  • Makes 90 tests
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