Kayen Posted April 6, 2008 Report Share Posted April 6, 2008 Which powerheads are able to be used outside of the water, but not running dry, as i want to make a DIY canister, but do not want to implement the pump inside of the canister as i would have to thread the powercord through and cut that, and i don't want to do that, instead i want to have the powerhead outside of the canister body, something like this: - Image taken from http://www.plantedtank.net/forums/diy/6143...ter-filter.html I want to make a Small canister filter like that, and was wonder which powerheads could be used in an application like that? Quote Link to comment Share on other sites More sharing options...
victornguyen Posted April 6, 2008 Report Share Posted April 6, 2008 (edited) only maxijets can be used for external application. I have tried the hagen ones and they do not work well at all. Maxijets are far more forgiving . But if you are going to build a canister you might want to use internal/external water pumps like the Mags or Ehiems. Edited April 6, 2008 by victornguyen Quote Link to comment Share on other sites More sharing options...
Kayen Posted April 6, 2008 Author Report Share Posted April 6, 2008 Keep in mind this is a small canister that will be used on a tank 2.5-10g, so the gph will be around 100 at most without media. Otherwise i'd use a submersible pump if not for my not wanting to cut the powercord, scared of electronics. Quote Link to comment Share on other sites More sharing options...
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