Professional formula: **Organic and Certified** * What is Biobizz Calmag? Biobizz Calmag has been designed for the professional grower and the hobbyist that needs an extra boost of Calcium and Magnesium in their grow. Calcium and magnesium are essential elements for proper plant growth and blooming, as they play a key role in cell production and photosynthesis. * Why choose Biobizz Calmag? 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 fo 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. * How to use it? Add the recommended dose of Calmag to supplement calcium and magnesiu