I think, if the water gets to warm, they will get to stressed, or the roots get burnt! I'm not exactly sure..

Good luck!
Powder Puff Reviewed by Powder Puff on . Starting my hydo log 4 white widows, 5 big buds, 5 jamaica. PH 6.5/ PPM 121.temp 84.6/34% humidity. Any reason why the leaf is turned down? 400w mh 2feet from top. any input is highly recommended, Trichome Creator whats up bro. Rating: 5