EVOCOIR coco coir grow bags (Professional Open Tops), bricks & bales, and bagged coir are THE premium soilless substrates available to professional growers and cultivation experts today. Don't waste your time and money with lesser products claiming to be "low EC" or "Fully Buffered." Evocoir was designed to replace not only traditional potting soils and growing media, but also inferior coco coir products. Our exclusive manufacturing processes were developed and perfected through years of collaboration between the world's brightest chemical engineers, and real-world professional growers. EVOCOIR products, especially our coco coir grow bags or P-O-T's, continually outperform the competition and have become the go-to choice for anyone wanting professional results.