Ok. In Europe you should be able to get hold vitalink coco grow, or some other good quality 1-part nutrient. Get a bottle. Should only cost a few euros for a liter. While you're there, get some 1L pots.
Stop using the canna mono elements, and, for now, put the sensi 3-part in the cupboard.
1 more thing: can you post pictures?
Stop using the canna mono elements, and, for now, put the sensi 3-part in the cupboard.
1 more thing: can you post pictures?