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my heater in my sump i think isnt heater good anymore and i want your guys input on what you think would be the best heater for a 20 gallon sump with a 75 gallon sps tank thanks
Sump heater, main display heater, QT heater... they're all the same. Personally I like the Visitherm heaters. For 95g (20g sump + 75g main) I'm thinking you want at least a couple 150W heaters for a total of 300W... or maybe more depending on your room temperature. I have 2x 100W heaters in my 46g, for comparison.