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Results 1 to 8 of 8

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  1. Default Water Filter question

    0 Not allowed!
    Hi Guys

    At the moment I have a aqua tech filter ( I know not the best going ) the kind that hang's on the side of the aquarium. My question is I notice that where the water runs out that there is a small opening to the right of it where the water also comes out a bit? Almost like a secondary gap?? Is it normal? the filter is cleaned and the filter medium isn't blocking anything?

    Thanks again for the help

  2. #2


    0 Not allowed!
    Is this a HOB (hang on the back) filter? If so, then is this small extra gap where the intake tube goes? (A picture is worth a thousand and one words ...)
    Knowledge is fun(damental)

    A 75 gal with eight Discus, fake plants, and a lot of wood also with sand substrate. Clean up crew is down to just two Sterba's Corys. Filters: continuous new water flow; canister w/UV, in-tank algae scrubber!! Finally, junked the nitrate removal unit from hell.

    For Fishless cycling:

  3. Default

    0 Not allowed!
    I attached a pic, I circled it red. Its not my pic though but It shows what I mean

  4. #4


    0 Not allowed!
    That is the overflow outlet.

    safety built in in case something happens causing an overflow in the back reservoir...rather it dump into the tank vs the floor. lol

    It is a good visual reminder using hobs.
    if you see water coming out of that, then your current filtration is too clogged/packed and needs to be rinsed out in old tank water.
    a properly running hob shouldn't produce any water there.

  5. Default

    0 Not allowed!
    I have it cleaned out and the filter's are not clogged. It still comes out there though a bit?

  6. #6


    0 Not allowed!
    a bit isn't a bad thing.
    i'm not 100% familiar with that filter to know/see the real design of it.
    I just know with my marineland HOB's. when clean they run w/o anything coming out of the overflow.

    it could be the design, it could be whatever media you have isn't that "free flowing"

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