I mix about 30% vermiculite in with the coco. Also, you want something in the bottom of the pot to facilitate drainage. I use lava rock because it's cheap and works well. a couple of inches in the bottom of the pot works well for me.

Good luck with your coco grow!:thumbsup:

PC :smokin:
PharmaCan Reviewed by PharmaCan on . canna coco mix ive bought some coco, perlite and vermiculite is there any thing i could add and at what ratio should i mix my medium ill be using 11 litre pots cheers :thumbsup: Rating: 5