Replacing substrate and sterilizing an already established aquarium. - The Planted Tank Forum
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post #1 of 1 (permalink) Old 05-12-2011, 12:24 AM Thread Starter
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Replacing substrate and sterilizing an already established aquarium.

So today I decided I wanted to replace the substrate because its reaaaaaaaally old. And since my tank has had it share of fish diseases I want to give it a fresh start again until late june when I get a new tank.

I'm planning on getting a 20 gallon QT tank to put the current fish in while I work on the 40 gallon.

Does anybody see any risks in doing this?

How would I go ahead and sterilize the tank? Bleach/water mix? I read that bleach with still stay in the tank even after thoroughly this true?

And what about my HOB filters? would I still those lil bio wheels in the QT tank so they dont die off?

And how I would steralize the HOB filters without the bio wheels on?

Thanks everyone.

And Some of my fish are suffering from fin and tail rot and water changes dont seem to do the trick So that part of the reason I want to QT them.
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