cheese cloth
Even a micron filter like a Diatom filter will let things through. As long as they are smaller than one micron. Diatom filters are usually very powerful and have to force or pull water past the diatomaceous earth to get the full filter effect. Even these super efficient filters clog quickly. There are a couple models that can be used as a filter 24 hours a day all year long with regular maintenance, but one is very loud and the others are no longer made and the parts are hard to locate. Even the powerful version will not clear the debris from the bottom of the tank unless a current forces it to the intake. They make gravel filter attachments for this unit so you can use it to clean your gravel. If smaller items get past the gravel filter attachment it can break the impeller and they are not cheap on these units. I have a couple of these filters and they are a bear to get started. Once they are running properly though they will make the water in the tank crystal clear. Your fish will appear as if they are floating in air. But it is such a hassle to set these up and run them they remain in their boxes for the last several years. Too much hassle. As for the debris on the bottom of the tank a filter will not pick that up unless a current of water whisks it directly to the intake of the filter. This is why we have to siphon the bottoms of our tanks. Even in a well designed pond with sloping walls and the drain to the filter at the very bottom will still get debris all over the bottom of the pond. Penguins are still my 2nd favorite hang on back filter. My favorite has been the aquaclear. But I will stop here as I know we have talked a lot in the past about theses two filters. -Mike In a message dated 6/21/2008 11:38:56 A.M. Pacific Daylight Time, tiggernut24@yahoo.com writes:
I’ve thought of that for my own problem. Debris gets right through a penguin filter cartridge, it will get right through cheese cloth.
Actually I tried straining the water through a nylon mesh coffee filter and that didn’t remove teh small particles.
I am wondering though how much a penguin filter cartridge is really good for. It seems pretty thin and it’s wearing out, and of course if you just replace it you lose your biofilter. Is there a way to reinforce it?
Yours, Dora Smith
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Category: Philippines Internet Koi Society
