Two tanks on one filter?

  1. LJC6780

    LJC6780 Well Known Member Member

    Never mind!

    So I've been researching filters. I just got the idea ... is it possible to have 2 tanks on one canister filter? I have a 38 gal and a 20 gal.
     
  2. leftswerve

    leftswerve Well Known Member Member

    IMO, It would be very difficult.
    If you ran overflows in both tanks to a sump, then ran the canister off the sump, easier but impracticable.
     


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  3. OP
    OP
    LJC6780

    LJC6780 Well Known Member Member

    It was just a thought ... I was thinking like the pet store setups that several tanks run off of one pump system ...
     
  4. leftswerve

    leftswerve Well Known Member Member

    Canisters run using siphon overflow and a push return, next to impossible to regulate between to tanks.
     
  5. peregrine

    peregrine Valued Member Member

    Pet stores have a very intricate way of doing it usually when doing it that way.

    You could possibly do it with a sump the way leftswerve described. You would need a return pump for each tank to control the water flow. So personally unless you hed close to as many tanks as a pet store might have, where you would have like a 100 gal sump, think the difficulties far outweigh the even possible benefits.

    Issue I would see is, if you have a disease or anything in one tank, it will spread to the others.
     
  6. OP
    OP
    LJC6780

    LJC6780 Well Known Member Member

    Makes sense ...
     
  7. MinhMai

    MinhMai Valued Member Member

    I prefer keeping things separate in case one tank catches a disease, they don't both catch it.
     


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