Riococo/Ceyhinz Link, Inc, is the leading 100% organic coconut Coco medium manufacturer and supplier to the Hydroponics, Vertical Farms, Rooftop Gardening, Urban Gardening, Open Field and Retail/Hobby Gardening industries. Riococo has over 15 years’ experience spanning 47 countries in the hydroponics industry. Your roots matter to us. Our custom cannabis growing medium mix gives bigger, faster and stronger healthy roots from cloning to vegging to flower cycle. Our RIOCOCO PCM mix product range consist of super washed, clean particles of the processed coconut husks. All the products are 100% Organic, Clean, Non-Toxic, Renewable and Biodegradable.e.