Filter input and sand

Discussion in 'Freshwater Tank Equipment' started by sophieydg, Aug 7, 2014.

  1. sophieydgWell Known MemberMember

    Hi all

    I am changing my tank to sand soon and I was wondering how to prevent my canister filter sucking up sand through the input. How high above the sand do I need to have it?

    Thanks in advance!
  2. CoradeeModeratorModerator Member

    As long as the intake is a couple of inches above the sand it'll be fine.
    I have sand with canister filters in all my tanks & have never had a problem with sand being sucked in, even with corys moving it about all the time
  3. Castiel*Well Known MemberMember

    About 1 1/2in or 2in deep of sand is about how much you should have! Keep the intake about 3in or more above the sand and you'll have no problems with it taking up sand. (Unless you have African Cichlids)
  4. dakotaValued MemberMember

    Awhile back I had a 125 gallon Cichlid tank with sand and was running 2 canister filters with the pick-ups about 2 inches above the sand and never had a problem. I would not go much below 2 inches with 1 1/2 inches the minium. If you find sand raise it up maybe a 1/2 inch. Thanks

    Clean Water = Happy Healthy Fish

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