6 Ways to Test pH in a Fish Tank - wikiHow

Your fish tank's pH level refers to how acidic or basic the water is. Testing the pH in your fish tank is one of the most important elements of keeping a clean and healthy environment for your fish.
Your fish tank's pH level refers to how acidic or basic the water is. Testing the pH in your fish tank is one of the most important elements of keeping a clean and healthy environment for your fish.

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