Project descriptionHydroMix 60/40 blend of buffered coco coir and clay pebbles. Specification: Triple processed to ensure low EC (0.2-0.5) and balanced pH (6.2-6.8). Coco size is between 3mm-8mm Clay Pebbles size 4mm-20mm Clean and ready-to-use Quality certified Specification: Our coco coir is triple processed to ensure low EC (0.2-0.5) and balanced pH (6.2-6.8).