Organics Coco Chips have a near perfect natural pH level (5.2-6.3) for optimum nutrient uptake. Organics Coco Chips are premium aged and composted for 24 months, and meticulously washed to remove excess sodium. Organics Coco Chips are ideal for mixing into outdoor potting soils or into indoor container media so that growers can adjust the air to water ratio for an optimal balance of water retention and drainage. Organics Coco Chips are composed of 100% pure coco fiber from coconut husks. How to Use Organics Coco Chips: Add water to expand block, makes approximately 2.1 cubic feet or 16 gallons of media.