My heater has never even been plugged in. Summer time my tank almost hit 90 so in went the chiller. Now that it winter and my in floor heat is on I still need the chiller but it does not work as hard.


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225g: 78 to 80 summer: 78 to 81

90g: 77.5 to 79 summer: 77.5 to 79

78.5 +/- 0.5

LED's dont seem to add any heat what so ever and the profilux keeps the temp stable.... almost flat line stable.

My canopy doesn't have any fans in it either. I'm sure I could get it down another couple degrees if I installed fans up there, but I just haven't gotten around to that. :lol: The sump has fans...I accidentally left the fans on overnight lastnight and the tank is now at 75F. Oops. I don't have room on the halide timer to put the fans on there, and the T5s don't run while the halides are on. That's something I should get around to fixing too... ;)

I'm certainly not selling my chiller I'll say that. It's underpowered for the volume I run now but I need to see how things work in the summer. Basement will still be cool but it's safe to assume not quite as cool.

Someone was over yesterday and when I explained how the ranco worked and that i didn't want to run a chiller due to energy use they reminded me of my lighting. guess i gotta try where i can tho :lol:

Every watt counts. :D

Same. Mines due to the lights and the 30ft of plumbing it has to reach the sump.

Mine swings from min 78 to max 81 when the controller switches from MH to PC.

I only hit 81 in the summer. Usually it maxes out around 80.7 each day.

I've never seen my tank above 81/82 and that was at the tail end of a heatwave, stands to reason because you have more water volume and lower wattage lighting you should be fine.

78-80 on the button now with a chiller and controller in place.