Cal-Mag PlusŪ is a highly beneficial plant nutrient supplement to correct the inherit problem of calcium, magnesium and iron mineral deficiencies found in most soil fertilizers and some hydroponic nutrient liquid concentrated formulas. Serves as a catalyst for the major elements to work in symbiosis with one another to prevent blossum end rot in tomatoes and peppers and tip burn in lettuce.
Cal-Mag Plus Plant Bio-Catalyst