Questions tagged [filters]

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

7 questions with no upvoted or accepted answers
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Salt water aquarium on a jetty over the ocean, with no filtration just constant ocean water circulation

I am very fortunate to be living in Raja Ampat, West Papua, one of the richest areas in the world for biodiversity. I also live directly on top of a fringing reef. My house is on stilts over the ...
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Too much solid debris after filter media change

I have my tank for about 10 years now. Three years ago filter stopped working and has been replaced with Tetra that was available at hand. It was working fine until couple months ago. It is still ...
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26 views

Keeping fry out of canister filter?

I have a ~1000 gallon pond in my yard. It contains mosquitofish and goldfish. The pond currently has 2 of these submersible filters similar to this: However, to clean the filter, I need to wade into ...
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18 views

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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47 views

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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1k views

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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207 views

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 ...