Any new grower or experienced hydro or rock wool or stone wool grower can easily make the transition to Coco coir. This can be your best of best cannabis growing media. At Riococo/Ceyhinz Link, you will get 100 percent organic, high quality, super washed, hot water sterilized, non-toxic, renewable and biodegradable coco coir for growing cannabis. We are one of the leading coco coir products manufacturers in the world spanning almost 58 countries in the world. If you are looking for professional coir solutions for cannabis growing, look no further than RIOCOCO PCM mix product range, consists of super washed, clean particles of the processed coconut husks.