Well, you could always just provide cooling down there, via a fan or something. Like a clip on from any ole' store. Did that for years without issue... plus their so cheap, rather than cleaning the fan off (salt creep), I just replaced them. My tank temps have gotten up to 83-84 degrees without one... with one my low is 80 and my high is 81. I have been fiddling with this all week using a heater, my Apex Controller, and a clip on fan. I'm okay with a 1 degree swing, and 81 degrees is nothing to worry about as long as it's constant.
Again, I'm running a metal halide with a Radium bulb (one of the best out there), so heat is a huge deal with our shallow tanks... if you run T5's, you haven't much to worry about, IMO. Just get a clip on fan and be done with it.
Again, I'm running a metal halide with a Radium bulb (one of the best out there), so heat is a huge deal with our shallow tanks... if you run T5's, you haven't much to worry about, IMO. Just get a clip on fan and be done with it.
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