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Results 1 to 4 of 4
  1. #1

    Default I need help installing my heater

    0 Not allowed!
    This is my first aquarium (20 gal TopFin). I have had an outdoor pond for over 10 years (comets, etc.) so I understand some of the basics about caring for fish. I put together the tank and installed everything according to the directions but the heater is causing me issues. The instructions that came with it are pathetic. I do not know how far into the water I am supposed to install it. Is the entire thing (including the dial at the top) supposed to be submerged? I assumed it went in the water up to the black plastic section but some videos I see show heaters completely submerged. Also, I read that it is best to have the heater near the filter/pump but the openings in the lid are for opposite that okay?

  2. #2

    Join Date
    Jan 2009
    A little further from sanity

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    for the fun game! - SeaLady Thank you very very much!! - Compass Love the games. Thank you :) - rebecca_finny TGIF! - showmebutterfly Thanks for your help & points. - metweezer 
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    0 Not allowed!
    Some heaters are submersible and some are not, if yours does not specifically say it is submersible it is probably wise to only put it in up to the plastic section. It is ok to put it on the other side of the tank, as long as you have good flow the water will circulate and the heater will keep it at the right temperature.
    People say if you can't say something nice then don't say anything at all... Then they wonder why am I so quiet.
    Everything happens for a reason. Sometimes that reason is you are stupid and make bad decisions.

    I think my fish is adjusting well to the four gallon, He's laying on his side attempting to go to sleep on the bottom of the gravel.
    A moderator on a fish forum should be able to identify an oscar... Don't you think?

  3. #3


    0 Not allowed!
    Assuming there's no fish in there just use the suction cups to mount it to the tank wall. I prefer the heater to have the knob close to the surface so I can adjust it easily.
    Pretty much any decent heater these days can be submerged fully. You'll want to place it in an area with good water flow to heat the tank evenly. There's proably a minimum water line on it somewhere. It's important to know wthere that is. If your water drops below that line while it's active you could ruin it.

    Oh, and be sure to check with your thermometer if the dial is reasonably accurate, always good to know.

  4. Default

    0 Not allowed!
    Location is completely up to preference and it probably won't matter much in a 20 gallon. I put mine on the opposite side of my thermometer so I know that my whole tank is being heated...

    Certainly there are a lot of different heaters out there with probably many different directions. Some heaters have a line marking where the water should be and some say that they can be placed anywhere under water. All that really matters is that they actual heating element is in the water though. Most heaters will be fine with the dial/top sticking out

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