sandman Posted June 26, 2015 Report Share Posted June 26, 2015 I don't hear alot of talk about undergravel filters these days. Years ago they were everywhere and years ago used them and they seemed to work. The question is then is there any merit in using them again? Would anyone recommend using one in a 100 litre planted tank with 12 Fish? Quote Link to comment Share on other sites More sharing options...
#!CrunchBang Posted June 26, 2015 Report Share Posted June 26, 2015 It's old tech now, with filters being far better at the job. Quote Link to comment Share on other sites More sharing options...
Caryl Posted June 27, 2015 Report Share Posted June 27, 2015 Oldies but goodies. I have always been a fan of them and they are quick, easy and cheap. Sure, they may not be as good as the new newfangled fancy canister filters but they still do the job (and take up less room). Just make sure you have at least 5cm of substrate over the plates, to give the plant roots plenty to anchor themselves in, and do not have any gravel burrowing fish. Quote Link to comment Share on other sites More sharing options...
alexyay Posted June 28, 2015 Report Share Posted June 28, 2015 Can't use them with sand :dunno: I have sand in all of my tanks because I keep mostly catfish & the occasional loach shoal. And for DSBs and plants. So I use sponge filters for breeders, HOBs for small tanks and canisters for anything over 100L for superior filtration (and though I have no sumps, sumps for tanks over 300L). So they don't really fit in anywhere for me - I'm new enough to fishkeeping to have never actually seen one in action, but my father apparently used to have one and hated it. Quote Link to comment Share on other sites More sharing options...
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