The Planted Tank Forum - View Single Post - when to add fish?
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post #7 of (permalink) Old 11-07-2012, 09:31 PM
Algae Grower
Join Date: Feb 2012
Location: Sydney, Australia
Posts: 96
Your substrate should have enough ammonia to start the cycle. Even potting mix has ammonia in it. You have to make sure you have a bit of circulation in the tank so that the bacteria colonies have O2 to survive and multiply. I say keep an eye on your ammonia levels...
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