Heater Recomendation Please

That is quite a bit of wattage. I would think that two 200 watt heaters would work on a 150 gallon, unless your sump or tank is in a really cold room.

I would not trust any heater completely and recommend that you put them on either an Aquacontroller or Ranco controller to turn them off at a preset point.

Aquarium heaters in general are cheaply made and tend to stick in the on position.

Joyce
 
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