| Re: "Chronicle Marina del Filón de los Carlos" Personally, I like the fans to be on while the lights are on. Point the fans towards the water surface and it accomplishes two things;Cooling the surface temp and causing surface turbulence for gas exchange. I have mine set up that way with my Aqua jr (the fan is plugged into the lighting powerstrip) and the temp is set for heaters on at 77.0 and off at 77.5. It stays right in there. I have three heaters though;one in the overflow, one in the fuge and one in the sump. It's a 120 gallon total sys volume.
Your temp looks fine. One safety feature you may want to program in is "lights off if temp = ??(insert temp here..81? maybe)
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