The Planted Tank Forum - View Single Post - is my cycle over?
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post #4 of (permalink) Old 10-08-2012, 07:18 PM
Planted Tank Guru
Join Date: Feb 2009
Location: DC area
Posts: 3,055
The tank is cycled when you have 0 ammonia, 0 nitrites and readable nitrates. Until then it's not safe for inhabitants.
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