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Nutrafin Carbonate and General Hardness Test Kit for Aquarium

Amazon.com Price:  $18.72 (as of 25/03/2022 15:29 PST- Details) & FREE Shipping.

Nutrafin’s carbonate and general hardness test kit measures carbonate hardness (kh) and general hardness (gh) in fresh and saltwater aquariums
Low carbonate hardness will result in poor plant growth
Testing for general hardness (gh)should be done to determine if the levels of calcium and magnesium are optimal for specific species of fish

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