Cichlid_Boy Posted March 12, 2014 Share Posted March 12, 2014 This is maybe common sense to a lot of people, but I thought it might be worth pointing out.If you have a canister filter which no longer pumps water (but is otherwise fine) - it can be worth hanging onto.You can use it as a 'slave', in-line with another working canister. You chain them together with the final canister in the series being the working one which returns water to the tank. I set this up tonight and it's working great, without any noticeable reduction in flow. I also tested the current draw from the working unit, and it is unchanged. So basically you get double the filtration (media) for the same electricity consumption. Link to comment Share on other sites More sharing options...
Link2Hell Posted March 12, 2014 Share Posted March 12, 2014 use the slave filled with matrix Link to comment Share on other sites More sharing options...
spedwards Posted March 12, 2014 Share Posted March 12, 2014 A better option for my mind would be running an external inline pump on the broken canister.The advantage would be if the one remaining pump on your working canister fails you wouldn't lose both filters. You'd also get a higher water turn over that just a single pump. Link to comment Share on other sites More sharing options...
Cichlid_Boy Posted March 12, 2014 Author Share Posted March 12, 2014 That is true, it would be better, but costs money. The eternal trade-off eh. Link to comment Share on other sites More sharing options...
swifto Posted March 12, 2014 Share Posted March 12, 2014 Both of these methods r good advise,the slave works 4 me as it gives u time to get another larger new canister.(eheim2080) Link to comment Share on other sites More sharing options...
Josh Posted March 12, 2014 Share Posted March 12, 2014 Joining two canisters together will not increase the output of either canister. It would be much better to run two separate canisters or run one as a slave. Link to comment Share on other sites More sharing options...
dave1800 Posted March 13, 2014 Share Posted March 13, 2014 Had been looking for an old canister to do same thingto increase the filtration (media volume) Did same with a 30 Ltr plastic drum .Works fine , just another version of a sump,Slave first then working canister to tank Link to comment Share on other sites More sharing options...
Cichlid_Boy Posted March 13, 2014 Author Share Posted March 13, 2014 Dave don't you get over or underrun issues? Or does you tank have an in-built overflow.. Link to comment Share on other sites More sharing options...
Jim Posted March 13, 2014 Share Posted March 13, 2014 I like your idea cichlid boy....well done Link to comment Share on other sites More sharing options...
dave1800 Posted March 13, 2014 Share Posted March 13, 2014 Sealed system air/water tight as with a canister filter with or without a slave canister ,16mm hose into both tank and canister 12mm outlet back to tank standard eheim hoses . works fine for me Link to comment Share on other sites More sharing options...
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