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Filtration for large cichlids

Posted: Sat Sep 16, 2017 10:51 am
I've noticed that underground filters are scarce now. Are these not being used anymore? I see a lot more canister only systems now. I had large CA cichlids 10-12" and used both under gravel with powerheads, in conjunction with canister or hanging filters to handle the bio-burden. Thoughts on filtration for new setups?

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Re: Filtration for large cichlids

Posted: Sun Apr 08, 2018 4:11 am
by manky
Yeah underground filters are not used much now and canister filters are now preferred instead. Since you have not mentioned the tank size, you can opt for the top canister filter from fluval, or if you are looking for a budget buy then check out the eheim classic.

Re: Filtration for large cichlids

Posted: Fri Apr 13, 2018 1:33 pm
by zenins
If you want to use undergravel filtration and can not find any,
you can make your own out of corrugated Polycarbonate Roofing Panel from Home Depot: ... /100021329

You will have to cut it to size and make slits using an orbital cutter to allow water flow.
Cut round holes for lift tubes and put powerheads on top of them or run airlines to the bottom with airstones.

There you go :)

Re: Filtration for large cichlids

Posted: Fri Apr 13, 2018 3:59 pm
by Bas Pels
I'm a big fan of intern filtration, with multiple layers of matten. I think nothing beats this

Re: Filtration for large cichlids

Posted: Sat Jun 08, 2019 5:07 pm
by MarkV
Canister filters are your best bet these days. The Fluval FX is has the highest gallon per gallon and considered the best canister filters but there are others not as expensive like the regular filters or even penn plex canister filters. If the tank is very large, you can also opt for a sump for extra stability. Undergravel filters have just gone out of style over the years as filtration technology has gotten better and cheaper. Cichlids tend to be a bit messy as well so the extra filtration and flow will help you a lot.