they are drying out, and lower the water temps

I'm having the same problem with some clones I bought, they are wilting and just not doing well under real light. Gotta give them a break and lots of water...

get yourself 100 feet of airline. run it from a cool place in the house like a basement, window, or outside. this will run cool air into your res and it will chill the water, the cooler the more o2 it can hold.

I got my venturi tubes sucking air from outside, and this gives me 5 degrees cooler.