10-18-2011, 08:37 AM
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> I would do a water change to reduce the nitrites and nitrates some as excessively high amounts may prolong bacteria colony development. As 1077 says, reducing ammonia would be a good thing.
> a wet/dry sump filter, once established, is a highly oxygenated environment and will process ammonia and nitrites very well, but not address nitrates. Nitrates would require either anaerobic bacteria and/or algae/plant life to process.This is why in more recent years, refugiums with sand beds and algae/plants have been added to sumps. Without a refugium, like most of us, you would indirectly control nitrates with weekly water changes....which by the way, is the only way to keep fresh water fresh (the solution to pollution is dilution).
The WWC is the only way that we remove dissolved organics (crud), unwated chemicals in solution, etc., along with nitrates.
Sometimes I think efforts and dollars spent on ever more elaborate filtering systems, might better be saved while we keep it simple and replace polluted water with fresh water! What we really need is simple, automated water changes. (I realize this doesn't quite work for our salt water friends)
Last edited by AbbeysDad; 10-18-2011 at 08:39 AM..