Planted Tank Obsessed
Join Date: Oct 2019
Location: Waltham, Massachusetts, USA
Nitrates in a fishless cycle
I'm about 3/4 of the way through a fishless cycle. My ammonia goes down rapidly but my nitrites are still up. My question is should I do a partial water change to get the nitrates down (80+ ppm) or wait until the nitrites go down? Will the high nitrates affect the cycle?
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