Kieserite / Gypsum
This CALMAG provides a big kick of liquid calcium and magnesium and a healthy percentage of sulfur, a frequently overlooked component of flowering fertility needs. By creating a product without added nitrogen, phosphate, and potassium, we give you control to supplement as needed without influencing primary fertility input ratios. This makes CALMAG the best possible natural calcium magnesium flowering supplement for organic crop production.
Use in combination with high quality base fertilizers like Buddha Grow and Buddha Bloom.
Calcium (Ca): 4.0% | Magnesium (Mg): 1.0% | Sulphur (S): 4.0%