At the right point in decomposition, the coco peat can be used as a stand-alone medium with no need to add perlite or other persistent amendments. The coco peat itself is fairly pH stable and buffers the pH well, in a very acceptable range for plant growth.

Does Canna Coco need to be buffered?

CANNA COCO is washed, buffered and therefore ready for use. ... CANNA COCO is washed thoroughly with clean water so there is no need to rinse it yourself. Buffered: Coco has what is considered a negative CEC (capacity of the substrate to retain and exchange water and nutrients).

How much perlite do I add to coco?

Most coco coir growers like to add approximately 30% perlite to the mix for best results. Although a lot of growers are also mixing clay pebbles in at a similar ratio. With equally great results.