spinzella
New member
dwc grow. reading tutorial on ppm of dwc reserviore and they said 400 to 1000 ppm. I'm at 1100 and have slite nute burn starting. its time for water change and want to get it at as close to perfect levels. using advanced nutrients sensi products. if it maters my water source is 80 ppm. what ppm of mixed ready to put in my system should I shoot for. thanks for any suggestions