Nutrafin KH reagent refill is for use with Nutrafin Carbonate and General Hardness Test.
Carbonate Hardness (KH) levels need to be tested on a regular basis because they fluctuate over time and can negatively impact the pH balance of the aquarium water
Carbonate Hardness (KH) levels need to be tested on a regular basis because they fluctuate over time and can negatively impact the pH balance of the aquarium water
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