90 degrees overnight? Help

Discussion in 'Temperature' started by plecoman123, Dec 3, 2012.

  1. plecoman123

    plecoman123Valued MemberMember

    i come home today and my 55 gallon tank, with two 200w heaters, is at 92 degrees. i did a water change yesterday 50% and i adjusted one of my heaters.
  2. Jaysee

    JayseeFishlore LegendMember

    Well, it sounds like there was an issue with the heater adjustment. 92 is pretty warm, but I assume your fish survived fine?

    I never adjust a heater unless I will be around for the next several hours to make sure that it's where I want it to be.
  3. OP

    plecoman123Valued MemberMember

    ya is it fine to use one 200w for a 55g. and my fish are fine
  4. JRC3

    JRC3Well Known MemberMember

    Depends on how cold your house gets. What brand is/are the heater/s?
  5. ryanr

    ryanrModeratorModerator Member

    200w should be enough for a 55G, depending of course on how cold the room (as stated). 3-4W per gallon is my rule of thumb, the house rarely gets below 54*F.

    If you're going to run the two heaters, set one slightly lower than the other. I have one set at 80 and the other at 77 (My reef tank). If the tank happens to cool down too much, the second one kicks in.

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