Powder feeding additive Calcium is used in the situations where the amount of calcium in the water is below the recommended levels.Highly soluble, easy to use and put together, calcium chélaté EDTA is a stable product that does not react with other elements.It strengthens the cell membrane and the cell wall to protect the végéteaux against pests and insect attacks.Calcium Powder feeding is in the form of powder (CA9% chélaté), highly soluble in water. Ion CA2 + is protected by EDTA.- Minimum effort and very easy to use.- Improves the transport of nutrients.• Helps to accelerate cell division and the extension of a stick.- It does not contain chlorine.- It is compatible with all types of fertilizers.Info: It is sold in 1 kilo bag. Of the colour change can occur as a result of exposure to light.