Dolemite lime is a good soil amendment that not only acts as a pH buffer, but provides magnesium & calcium. Cheap too, 4 dollar box was enough for 25 gallons of soil we made :rasta:
Anathema2121 Reviewed by Anathema2121 on . Magnesium and Calcium Yah i just bought some bat guano and was wondering what are some other good natural stuff i can buy or put in to the soil. Atleast for good magnesium and calcium. I'm in vegetative stage if that helps. also was wondering what is good to put during flowering. thanks a lot. Rating: 5