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Thread: Water heaters

  1. #1
    Senior Member Bonaqua's Avatar
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    Water heaters

    I'm setting up my first reef (50g).
    I'll need 2 100W submersible heaters.
    What brand names are reliable?

    Is it ok to buy used ones?
    :guns:

  2. #2
    Senior Member
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    that seems a little high in total wattage. I have a single 150 watt (likely a little low) on my 225 gallon setup with no problems over the winter. I have a second 150 watt heater set 2 degrees lower as a fail safe backup.
    Rob

  3. #3
    Senior Member Bonaqua's Avatar
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    I was thinking of using 2x100W pretty much for a same reason.
    can either set it up like you (2 lower) or run'em both lower. so if one dies doesn't cook the stuff.
    But now, you got me thinking...
    for my 50g/20g sump, what would be the power rating for a single heater use? (my new place is chilly in the winter.

  4. #4
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    There is a rule of thumb somewhere about how many Watts you should have per gallon. Maybe someone else will remember it. Keep in mind that once the water is up to temp it is usually not difficult to keep it there. I opted for lower wattage so if it were to stick on it would not boil the water. As it is now it dose not cycle very often and my tank temp is very stable.
    Rob

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