I was wondering how to use cal mag? Do you just get it off the shelf at the drug store? (ex..walgreens, cvs?). How much would you add to a gallon of water? Folier feed or just pour on soil?

Sorry if i am hi-jacking the thread, it is just that you have the perfect title.

thanx!:jointsmile:
aziz93 Reviewed by aziz93 on . Cal mag + Ive just fitted a ro sytem can anyone tell me if i have to use cal mag in the ro water in soil grows or will there be enough in the nutes and soil(canna nutes) i know its a must in coco and hydro .dont want to put it in and od plants with mag and cal.thanks.the postman Rating: 5