you should alway's flush between nutreints change. A good comerical flusher is a better choice then plain water. It takes 3 -4 times the volume if you are flushing with plain Ph adjusted RO water.
Zandor Reviewed by Zandor on . HELP PLEASE DONT KNOW WHATS WRONG?? :confused: Everything was going great until I changed the resivoir. After I changed it the leaves started getting spotted. I've been reading the Grow Bible, and I'm starting to think that it is a Mg problem. What do you think is it a Mg problem or are they getting burned by the light? Rating: 5