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How to safely disinfect and reuse old aquarium soil for planted tanks?

Updated On September 23rd, 2025

How to disinfect dry aquarium used soil after six months ?....I can replaced before 6 months for aquarium snail(reason)...It's very high quantity...So I take out from planted aquarium

1 Answer

Most Helpful Answer

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Answered By Andrea M. Brodie, DVM

Veterinarian

Published on September 20th, 2018

The only way to disinfect it would be to sterilise it by heating it up, however this will kill everything in the soil. It may be cheaper to buy new soil. Here is one way of doing it: https://homeguides.sfgate.com/microwave-potting-soil-48342.html You can find more ways to do this by putting "how to sterilize soil" in your browser window.

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