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Newbie Heater Questions?

2477 Views 9 Replies 5 Participants Last post by  MightyM
First post! I'm a newie to aquariums. I currently have a 150 Gallon tank with African Cichlids and noticed that my heater seems to be broken. The temperature of my tank is around 72 right now, but after reading a lot of posts, it seems my tank should be 78-80.

I read various posts and opinions seem to be divided on heaters. From what I've read, I should be using at least 300W of heaters, either one 300W or two 150W. Any suggestions on reliable brands and whether one would be better than two to avoid overheating?
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I still use the same old formula that I've used for over fifty years -

2 watts per gallon for a 5 degree rise in temperature.

Large tanks (>75 gal) in my unheated garage or basement I use two to four heaters. One at each end of the tank with plenty of circulation to prevent zoning.

Give your heater time. If you don't have adequate circulation, the zone around your heater may heat up and shut the heater off prematurely.

Good luck!!

P.S. - I have both the Marineland Visi-therm Stealth and Deluxe! Flip a coin!!!
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