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Q&A: I bought a submersible heater and it says “for 2 – 15 gallon aquariums”. Would it be okay in my 1.5 gallon?

Question by pretty + poisonous: I bought a submersible heater and it says “for 2 – 15 gallon aquariums”. Would it be okay in my 1.5 gallon?
I am ordering my betta a new 5 gallon, which should be here in a week. In the meantime, I got him a better heater, which will go in the new set-up.

Right now my betta has only a 1.5 gallon, would it be okay to put the heater in there for the next week or so? The package says “for 2 – 15 gallon aquariums”, but it also says, “Electronic thermostat automatically maintains water temperature at 78 degrees F. No adjustments are necessary. The thermostat also prevents overheating, extending heater life”.

What do you think?

Best answer:

Answer by Vulcan
I would test it prior to adding it in with your betta. Find a container of equal volume and let it run while monitoring the temperature.

Know better? Leave your own answer in the comments!

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3 Responses to “Q&A: I bought a submersible heater and it says “for 2 – 15 gallon aquariums”. Would it be okay in my 1.5 gallon?”

  1. what124 says:

    should be fine, i mean .5 should not make a huge difference.

  2. life is great in southampton uk says:

    no if it said 2 gallons upwards then no
    also i hope the tank will be cycled before adding the betta

  3. what can I do says:

    no, it wont work, i have a 10 gallon and i bought the same heater, only it was meant for 20 gallons, but it kept shutting off, probably because the tank was too small and it heated up to fast.
    It might heat the tank for a few seconds but it will probably keep shutting off

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