Plagron Pure ZymPure Zym is a soil improver based on natural enzymes. It promotes the accelerated breakdown of dead plant material. This causes additional nutrients that stimulate soil life to be released. Pure Zym also increases the ability to absorb oxygen. Dosage and use Shake well before use. Add 4 ml Pure Zym per gallon water (1: 1,000). Use this solution each time the plants are irrigated during the entire cultivation period. Pure Zym is suitable for all