The newest addition to the CANNA family, CANNA Coco Pebble Mix is a mixture of 60% CANNA Coco Professional Plus and 40% CANNA Aqua Clay Pebbles. Coco Professional Plus is a first-rate coco product that is made using top-quality raw materials. It has the optimum structure and purity, while CANNA Aqua Clay Pebbles are made from special types of clay that have a low soluble salt content.