Bill, chlorine will kill the plants and stop nutrient uptake. That why when people use city water they let it sit over night to let the chlorine evaporate.

Chlorine = Bad

Water that hot will not hold enough Oxygen but you could add H²O² to help that. The room temperature is way to hot your plants will turn hermie on you at that temperature. Try a large waterfall to add more oxygen to the water and it will cool the water too by a few degrees.
Zandor Reviewed by Zandor 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