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Will rock salt harm my discus fish or wisteria plants in the aquarium?

Updated On September 23rd, 2025

I have a Four discus fish with water wisteria(Hygrophila difformis plants ) . Can I add Rock salt(sodium chloride ) in aquarium this tank ? I have some adding this ....so any bad effects on plants and discus ?

1 Answer

Most Helpful Answer

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Answered By Dr. Strydom, DVM

Veterinarian

Published on July 24th, 2019

As a short term bath of up to seven days and a concentration of up to 1 tablespoon/ 1gal water can be used but this is just the fish as a treatment. You cannot add it to the daily aquarium as it will damage the plants and can damage the fish. Remember these are freshwater fish, not salt water.

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