CAL-MAG PLUS 5 GAL.<br />http://www.amazon.com/dp/B00443ZIN8?tag=bungasapi-20 <br />Feature<br />* <br />CAL-MAG PlusTM is a bio-catalyst for plants. A beneficial plant nutrient correcting the inherent problem of calcium, magnesium and iron mineral deficiencies found in most soil fertilizers and some hydroponic nutrient liquid concentrated formulas.<br />http://www.amazon.com/dp/B00443ZIN8?tag=bungasapi-20
