CANNA Coco Natural is an affordable growing medium. The buffering is not as heavy as CANNA Coco Professional Plus+. If you would like to pre-buffer this CANNA Coco to the same level as its premium cousin then it is worth while looking at the CANNA COGr Buffer Agent. All in all this is a very trustworthy Coco – it is just not as easy-to-use as CANNA Coco Professional Plus+. The choice is yours!