Quote:
Originally Posted by sphelps
A skimmer can only remove bacteria from the water column, same as just removing the water. Bacteria adheres to surfaces significantly more than the water itself thus removing the water or skimming heavier will not diminish a bacteria population period. This applies to carbon dosing or zeo, over skimming has no negative effects on a bacteria population, even if you're dosing it provided you dose downstream. So my point was when over sizing a skimmer to your bio-load the risk relates to removing excess essential elements such as potassium not bacteria. Make sense yet?
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I understood your central point from the start, however saying a skimmer removes as much bacteria as a water change was mixed in there. Fact is, you can't compare the two. And truthfully a skimmer can remove a lot of bacteria.