None. I did have problems last year but it was because I wasn't cleaning it properly and only every 4-6 weeks. Now I completely clean it every 2 weeks with the water changes, media every 4. Since changing it up, there's been no issues, corals have thrived and I find tons of pods in it as well.
It's a fluval 305, the 405 may be a bit much for the bio cube.
07-07-2012, 06:28 PM
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