My tank is turning into fish soup!!!

The ice probes make maybe a 1 or 2 degree temp difference in a 30 gallon tank. The bigger external unit I havent heard much about, but it doesnt seem like it would be that much more effective than the iceprobes are.

The new DIY chillers are being made out of the $99 home depot AC units. With a decent amount of titanium coil (going to cost +$100) you can cool a large tank pretty efficiently, and with the AC unit being mounted outside, the heat isnt getting added back to the room.
 
Babes:

what part of California? I live in the san fernando Valley and it hit 103 yesterday and 105 today so far... Any of those products mentioned earlier would not do good in this type of heat. My suggestion (and what I do) is to have a room air conditioner going during the day hours and off at night. That would work great and is not that expensive to run...
 
How would this fan idea affect a CO2 injected tank? I have a temperature problem but hesitate to send all my CO2 back into the air from surface agitation. Would simply removing the glass top (leaving the light hood in place) aid cooling or heat the tank up more? In my case the heat is coming from the 220W of light on a 75g.
 
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