dan.knell Active Member Apr 8, 2009 #1 So im running a dwc unit with a 400mh light and a few leaves are curling on the plant. This is the only visable problem accept for old calcium def. The ph is fine and so is the ppm. Any advice?
So im running a dwc unit with a 400mh light and a few leaves are curling on the plant. This is the only visable problem accept for old calcium def. The ph is fine and so is the ppm. Any advice?
