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How to make tap water safe for fish without a water conditioner?

Updated On September 23rd, 2025

How to do clean water which fill in aquarium if doesn't have water conditioner?

1 Answer

Most Helpful Answer

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Answered By Andrea M. Brodie, DVM

Veterinarian

Published on August 7th, 2018

Fresh tap water can be left sitting over night and any chlorine in the water will evaporate. It can then be used for your tank. Depending on the type of fish you have you should adjust pH and hardness of the water and of course temperature. Your local pet store can help you with that.

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