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**Damon** · 10-19-2005, 03:17 PM

By no means am I an expert. I'm learning just like the rest of you. To think otherwise is folly.

Bio-wheels do turn over enough water IME. For planted tanks, filtration is mostly mechanical. Biological is left to the plants although some bio-filtration is still done by bacteria. Plants themselves use nh3 etc...but also provide surface area for more bacteria. Waterflow is more important. Aquaclear HOB filters have one of the highest waterflow rates of common HOB filters. And its easily adjustable unlike the bio-wheels. I don't like the fact that they outgas too much CO2 from the water. I have run planted tanks with them, but would perfer not to.

10-19-2005, 03:17 PM	#6
Damon Aquatic Naturalist Join Date: Jan 2005 Location: Dayton, Ohio Age: 32 Posts: 14,982	By no means am I an expert. I'm learning just like the rest of you. To think otherwise is folly. Bio-wheels do turn over enough water IME. For planted tanks, filtration is mostly mechanical. Biological is left to the plants although some bio-filtration is still done by bacteria. Plants themselves use nh3 etc...but also provide surface area for more bacteria. Waterflow is more important. Aquaclear HOB filters have one of the highest waterflow rates of common HOB filters. And its easily adjustable unlike the bio-wheels. I don't like the fact that they outgas too much CO2 from the water. I have run planted tanks with them, but would perfer not to. __________________ For in much wisdom [is] much grief: and he that increaseth knowledge increaseth sorrow. Member of the AGA (Aquatic Gardner's Association) Member of the IBC (International Betta Congress)