Quote Originally Posted by demoreal
Cig,
how much cal-mag did you end up using during flowering? For my purple diesel grow the plants did real well around 150-200 ppm for flowering. (ecx500)
I am just trying to get an idea what other people do?
During flower i used about the same as you.
I would start out with tap water(47 ppm), add cal mag until i hit 200 ppm, and then i would add any other nutes,

i read a sticky about cal mag+, and thats what i based my grow off of.