Heater enquiry 5 Gallon Tank

  1. y

    yllom New Member Member

    We have a18 litre tank...I need to know do I need a heater in my fish tank.
    We live in the tropics and the temp is never below 22C degrees inside.
    On average the temp would be between 22 - 28C in the house.
    I have an 1 orange Molly and some fry. The orange one is constantly hiding near the pump and only occasionally comes out to feed.
    If I need a heater what type do I get.
    Thank you.
  2. T

    Thai Aquarium owner Well Known Member Member

    If you have species in the tank that are tolerant to a slightly lower temperature, then you do not need a heater.
    IMO your Molly and the babies will be OK without a heater
    In hotter weather conditions, do not allow the tank to get too hot.
    Cool using fans played on the water surface
    Good Luck
  3. FiscCyning

    FiscCyning Valued Member Member

    At that temperature, yes I would still recommend having a heater. 22C is too cold, and a heater will help keep the temperature stable for your fish (instead of warm during the day but cold at night). For that size tank you should get a 25 watt heater, preferably with adjustable thermostat.
  4. OP

    yllom New Member Member

    Thanks for your reply to my question. I too think I need a heater because of the fluctuation of temps day and night. So will look into 25 watt heater.
    Much appreciated...