always add micro 1st...yes that is right.

You can also go to MOndoproshop...Advanced Nutrients calculator and it will show you additives as well as recipes to use with 3-part...

GH and AN 3-part are the same thing...
latewood Reviewed by latewood 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