Do you think somebody at the mfg. plant (not a sales rep) could give you a reliable answer?

That sure seems like a reasonable question to expect them to be able to answer for you.

Actual, real, black strap molasses has lotsa Calcium and Magnesium, at least by human dietary standards. Could use that in a pinch...
DreadedHermie Reviewed by DreadedHermie on . Do I really need Cal MAG? I havn't been using cal mag at all. I use purified water for the res right now. Do I really need Cal mag? I'm in flowering stage its the 2nd week. I'm using Connosieur A+B and Big Bud. If I'm using purified water and those nutrients do I still need Cal MAg? thanxs Rating: 5