help!!

[marrone]

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my tank was 90 degrees when i came home from work ..i have 8x54 watt t-5 retro in a canopy....i immediatly threw in some ice, turned off my lights put on the a/c installed a 4" fan inside of a 5 gallon plastic paint bucket and put it over my sump everything in my 90 gallon was closed up
and just hanging over ..unplugged the heater in sump also..tank is now at 81 degrees....how do i keep it at 78 ???with my lights running again?

I hope you didn't put ice directly into the tank but either a frozen bottle or a sealed bag.

You want to first run a fan accross the top of your tank and one in your sump. Also you probably should be keep your A/C running if your apartment if getting to hot. By running the A/C and using the fans you should be able to keep you tank at the right temp, 78-81 range, if not then you should think about getting a chiller.

If possible you should also keep the canop open which was let some of the heat out. The lights that your running aren't that hot so, not sure what pumps your running but that does add to the heat.