cut a small hole in the top of the resevoir (3 0r 4") put a large pvc elbow in the hole and mount a small (3 or 4") fan attached to the open end of the Elbow blowing air into the resevoir should cool the tempature down in the res at least 10 - 15 degrees. Try it it works.
BILL THICK Reviewed by BILL THICK on . Reservoir temp 85: anyone tried this? Hey everyone. I want to try hydro, using a Rubbermaid 35-gallon reservoir (flat bottom). Itâ??s the hottest part of summer (100 degree plus everyday). I have a some bottles of liquids sitting on the floor of the room (nutes and pH down). To find roughly what temperature my reservoir nutes would be at, I measured the temperature of the bottle of pH Down, at the hottest part of the day. It was 86 degrees -- at least cooler than it was outside. And since the nutes flow in and out of a Rating: 5