BioCube Skimmer ?'s

People love to say this skimmer doesn't do anything at all. I have the stock BC29 skimmer and it DOES take crud out. I can see it foaming like crazy sometimes. I have to empty it every couple days. It will get some viscous crud out too --not just greenish or tea colored water. If you are trying to get down to zero nitrates, though, the more expensive skimmers are needed. Better skimmers do a better job.
 
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