05-07-2013, 11:18 AM
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Originally Posted by jentralala
Does the filter need to be run 24/7? I was looking up info and people were saying that during a power outage it's still effective as biological filtration, just not mechanical.
Could it theoretically be run with the lights on a timer?
Typically they are run like any other filter, 24/7 but with lots of plants there is no real reason to HAVE to run it that way but you will lose circulation in tank which can affect heat distribution. I couldn't do that, particulalrly in the winter, as my heat loss would be too great. Given the choice I would choose to part time a filter and do some testing to see what differences it makes. It all comes down to what works for your setup.
There are some who don't run filters at all... so I would change my answer. Given the choice I would run with no filter, lots of plants and a small power head serving to move the water around the tank. I doubt that my water would be crystal clear but, looking at my jug experiment with no filter and lots of plants, the water is nice and clear... although there are no fish and there is no circulation.
Clarification based on Byron's post (I sit on posts too long sometimes to be most current). I assumed a sponge filter. I wouldn't do this with my canister or even an HOB but like the idea of no filter at all....
It also depends on why it is being turned off, air pump noise affecting sleep trumps 24/7 sponge filtration for example.
Last edited by JDM; 05-07-2013 at 11:24 AM..