Everyone, I'm sorry for the mixup. The medium I'm using has no coco. Its composition is as follows: 80% peat moss, 20% vermiculite + NPK traces, EC = 0,7. From that, I've added 10% worm castings and 18 grams of cockroach castings, 18 grams of mealworm castings and 18 grams of bokashi.