- Joined
- Jul 8, 2011
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So I had to tear down a 50 gal cube and replace the rock and sand bed. It was difficult because I has fish. I did a quick cycle using a handful of sand from my other tanks and some microbacter7.I added fish back after a week. 6 weeks later I still have 10 ppm nitrates and cyano. Cheto is growing like crazy and skimmer is rocking. Is this normal after 6 weeks?



