yeah it says it right on the bottle to use the micro first.
As far as Daimond necture, what it does is act like a steroid. It makes the leaves tougher, and waxy looking. Use it as a foliar spray. or add it right to the rez. either way its good stuff.
FOXBIRD Reviewed by FOXBIRD on . General Hydroponics I just picked up 3 bottles of General Hydroponics Grow Micro and Bloom. How much per gallon should i use? Rating: 5