If your fish looks like its struggling to thread water then you need to make adjustments to the return flow. Throw some flakes in there to see how the current carries.
Fx5 over filtrated?
- Thread starter dragonfish70
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Too much water movement not to mention electric company will be sending you their best calendar each year. 
Too much water movement not to mention electric company will be sending you their best calendar each year.
I don't mind the water movement. Selling one of the fx5s now
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Sump! Petros and trophs love o2 saturated water and the best/easiest way to accomplish this is with a sump
Yes and no. You can't actually over filter a tank, although nitrifying bacteria will only populate based on the bio load (they can only grow if there's a food source!) you can't go wrong by having plenty of space for them to grow in as you may or may not increase your bioload in the tank.
If you really want that much filtration look in to pond filters. They are a lot!!! cheaper. they do not have a built in pump but that makes it a lot easier to control flow then you can speck the pump to the size of your tank.
Nitrate concentration in L Tanganyika in the zones where fish are present, is less than 1ppm, so if nitrate readings in a tank are over 1ppm, you can not be over filtering.
Unless you're using a nitrate removing media or specific nitrate removing filter, general filters do not remove nitrates...that's why we do water changes
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I agree, beside every other day water changes, I use pothos, algae scrubbers, and fractionation.
