DIY Nano Canister + Reactor - The Planted Tank Forum
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post #1 of 1 (permalink) Old 11-03-2008, 11:39 PM Thread Starter
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DIY Nano Canister + Reactor

Just a little brainstorming. The idea is to put this.. (niko's internal co2 reactor) the bottom of a diy canister.

Like this:


  • Removal of all equipment but in/out pipes
  • Better diffusion
  • Better flow
  • I can make it


  • Differing flow rates of the pump and the filter/reactor (a possibly fatal design flaw, lol. more later)
  • Lots of potential leaks with all the holes for tubes/power cords/elbows etc.
  • Will end up pretty big I think

Finally, a few considerations. Keeping the media in place is something I haven't put much thought in to yet, however I don't see it being a huge problem. Sealing off the output of the filter/reactor could also be tricky. My biggest worry is the different flow rates.

It's possible I find a submersible pump that rates the same max gph as the hagen filter, but I don't think I would trust the manufacturers ratings. I could potentially get them both running at the same rate, but this seems iffy and the settings could change over time with vibration, maintenance, w/e. Troubleshooting the pumps if they stopped working might be a problem too, but I'm not expecting this to run for years. Mainly I want a cheap project, and as I type this I'm starting to realize this could have quite a few problems ha.

Input? Oh, this is for a 4 gallon tank.
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