Hygrozyme 500 ml organic enzyme stimulator hydroponics additive nutrient Hygrozyme is a true breakthrough in enzyme based products that breaks down old root mass to allow for and stimulate new growth. Manufactured in an entirely unique way, Hygrozyme offers growers a number of advantages over competing products. It is bacteria free meaning that it has a virtually unlimited shelf life and there is absolutely no risk of introducing living bacteria into your system. The other benefit that this provides is that because there are no bacteria, Hygrozyme is the first and only enzyme based product that is suitable for use with Oxy-Plus. OMRI listed (organic) and highly recommended. HYGROZYME may well be "the greatest breakthrough in Horticulture in the last decade." Simply explained: it is developed using a proprietary bio-fermentation process, made from ALL NATURAL ingredients that produce a supply of BACTERIA-FREE enzymes and complex chains of amino acids. With HYGROZYME there is no longer a need to introduce or create crop vulnerability by introducing a foreign germ culture to your sterile growing environment. After reviewing current enzymatic market products, it was determined that HYGROZYME actually incorporates all the benefits and capabilities offered by leading enzyme products AND MUCH, MUCH MORE - all in one Powerful Formula! With HYGROZYME though, there are NO concerns of a limited shelf life or spoilage. INHERENT ABILITIES: CLEANER GROW MEDIUM = HAPPY PLANTS. KEEPING GROW MEDIUMS CLEAN IS WHAT HYGROZYME IS ALL ABOUT. CONCLUSION: IF IT WAS A RACE - HYGROZYME IS THE WINNER!