I believe this is nute burn? Been flushing RO every 4 hours for about a day. Clips are 2.5 weeks old, 14" tall. Water at 72, Aurated, Ionic grow With a little Superthrive and Earth Juice, 1700ppm in RO buffered at 5.9 to 6.1, made 50% strenght. Home made stainless EBB N Flow. Co2 1700. Water every 5 hours. I have not change my water in 4 weeks, just add buffered RO, about a liter every 10 days. 4 days ago added a 1 gallon with nutes at 100% strength and whalla. Any suggestions?