Questions tagged [filters]

Filtration systems for aquariums and ponds. Issues relating to man-made of natural filtration.

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When (or If) to reseal an sump?

I bought a glass sump (intended for a fresh-water tank) 2nd hand that has clearly been put together at home. The construction looks great, but you can tell its homemade since the seal has "frayed ...
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Starting up a canister filter that has been off for a while

We prepared an Eheim canister about a week ago and had also put some tank water in it but, because of a series of setbacks, we haven't been able to start the filter in our new tank. We are still not ...
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Why do fluidized sand filters need a prefilter?

When talking fresh water fish tanks, why do people recommend that fluidized sand filters have a prefilter like a sponge? Assume there is a separate system for removing solid waste from the tank, like ...
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Create air intake from submerged water pump…?

I'm setting up a wet / dry aquarium filter and I'd like to handle both the water return and the protein skimming (foam generation) with only 1 submerged power head, a situation consisting of 1 ...