100% COCO is ideal for those who prefer growing on coco-based hydroponics. A reason to choose for 100% COCO is the fact that Plagron substrates are one of the purest, best rinsed substrates available on the market. Plagron coco substrates work like a sponge, they can retain a lot of water while still remaining airy. This makes it much easier for you to optimise your irrigation strategy. Also, Plagron coco substrates guarantee that you will not be confronted with rapid fluctuations in pH in your substrate.