Biobizz CALMAG has been designed for the professional grower and the hobbyist that needs an extra of Calcium and Magnesium in their grow. Ca and Mg are essential elements for proper plant growth and blooming, as they play a key role in cell production and photosynthesis. Ca/Mg deficiencies are common, as in today’s world, we cannot rely on tap water to ensure correct mineral concentration. Either if you need to stick with soft tap water or go down the RO path, Biobizz Calmag brings you a 100% organic and certified solution for Ca/Mg deficiencies. This product brings the best of our 100% natural ingredients and presents them in a formula that will not alter your preferred feeding regime. Correct faulty water and deficiencies in an easy, controlled, and natural way with Biobizz Calmag.