i have a 120G tank

Discussion in 'Heaters' started by Stealth, Jun 16, 2016.

  1. Stealth

    StealthValued MemberMember

    I am looking for heaters and there is one available that is 300w SCUBA brand (that is all the info they have), will this be enough to heat the 120g aquarium. the current temp is 23-25 degrees C and i want it to get to about 27 degrees. thanks
     
  2. TexasDomer

    TexasDomerFishlore LegendMember

    You want 3-5 watts per gallon. For a 120 gal, I'd do 2 300 watt heaters on opposite sides of the tank.
     
  3. OP
    OP
    Stealth

    StealthValued MemberMember

    will positioning the heater next to the filter distribute the warm water better?
     
  4. Lady Monster

    Lady MonsterWell Known MemberMember

    Do you also have 2 filters?
     
  5. OP
    OP
    Stealth

    StealthValued MemberMember

    no i have one submerged filter and one heater.
     
  6. TexasDomer

    TexasDomerFishlore LegendMember

    It will, but you can have the heaters on opposite sides of the tank and that would be fine too.

    It's not the distribution so much as the wattage. If you have two heaters, each heater has to work less. This may lengthen their lifespan and reduce the risk of something going wrong, as compared to a heater that is too small for the tank (i.e. one 300 watt heater) and is always working overtime.
     
  7. slayer5590

    slayer5590Well Known MemberMember

    Why do you want to heat to 27 degrees? The current temps are fine for Jack Dempseys or have you decided to go in a different direction?
     
  8. OP
    OP
    Stealth

    StealthValued MemberMember

    i have noticed late in the night, the temp has dropped to 22 degrees which I figured might be too cold for the JD.
    still going for a pair of JDs, I'm picking them up today
     




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