http://www.genhydro.com/GH_Feed-Chart.pdf

Go there. If I am using a hydroponic bubbler system, which one do I use? I have all 3, gro, micro, and bloom. Which schedule do I use? 3 of them don't even involve micro..

Also, how much is a ppm? I know it means parts per million but how do you measure that?

Confused =\
godsbackyard Reviewed by godsbackyard on . GH Nutrient Schedule Chart http://www.genhydro.com/GH_Feed-Chart.pdf Go there. If I am using a hydroponic bubbler system, which one do I use? I have all 3, gro, micro, and bloom. Which schedule do I use? 3 of them don't even involve micro.. Also, how much is a ppm? I know it means parts per million but how do you measure that? Confused =\ Rating: 5