is about nutes and or not enough water. everything was going fine 2 weeks into flowering i pumped the water out of reservoir and replaced with fresh nutes and ph, i did not clean out the res. the next week i found my res almost empty and thats also when i noticed the leaves. well vice versa i saw the leaves first and started checking everything. I added fresh nutes straight into the res and to the very little solution that was left in the res. that was like 4 days ago and on the same day is when i added the ex fan. when i saw that adding the fresh nutes and cooler temp didn't seem to help, I went ahead and added a gallon of fresh ph leveled water, thinking that maybe the problem was to much nutes, even though i