Professor nutrients. PROFESSOR’S COCO PREMIUM – Pure Blend THE ULTIMATE GROW MEDIUM Derived from fibrous coconut husks, Coco Coir is an organic plant substrate which has fast become the preferred growing media for hydroponic systems. The Professor’s pure blend coco is RHP certified, ensuring it has remained pure and clean throughout the production process, meeting it’s high quality attributes. Professor’s Coco is lightly washed and buffered, not chemically treated, ensuring the proper environment for root growth, with excellent drainage and aeration and a consistent pH level of 5.5 – 6.5 which inhibits the presence of soilborne pathogens. Coco Coir also has the benefit of being easy to hydrate and is 100% natural. Feature Washed and Pre-Buffered Very Low EC, less than 0.5 pH stabilised for optimum nutrient uptake High water absorption and essential air ratio pH range 5.5-6.5 100% natural and biodegradable Free from pathogenic germs and disease Environmentally friendly A perfect mix for container plants and hydroponics INGREDIENTS Coco Coir Fibre ………………………………….. 100% Total Other Ingredients …………………………..0%