My REZ is at 85F, anyone just go with it, or is this a huge problem?

superstoner1 said:

water can only hold so much dissolved oxygen and then temperature plays a huge role in how much it can hold. 65* water will have many times more do than 75*water. jamming as many airstones as you can in a res does not solve the problem as much as temp does.

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since he's running ebb/flow, does D.O. even matter? roots are hanging out in the air and can get as much oxygen as they need. even rockwool will suck in fresh air from the top as solution drains out the bottom. as it floods again, stale air is pushed back out.

correct,but i was more concerned with temps and rot.

Freeze a bottle of water and chuck it in the rez, replace with another when the temp rises.