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Refugium?

April 26, 2017refugium

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Refugium?

1 Answer

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Posted

I guess this is more of an observation than a question. I have a 55 gallon reef tank, DSB and LR. On it I have a Penguin BioWheel 330 filter (with one wheel removed, actually I could probably remove the other one too). I had noticed that I had not needed to change the filter cartridges in over 2 months. Normally I would expect overflow at the center of the unit long before then, indicating clogged cartridges. I decided to change them anyway. Upon removal, I found that they looked practically unused! I then noticed, on top of and through the pads, about a gazillion bugs! Talk about a “biological” filter! Of course, I couldn’t throw them out.