Here is a coco coir feeding schedule I use that is guaranteed to work. Remember environment is way more important than nutes used.
https://www.420magazine.com/community/threads/alien-hydroponic-easyfeed-system-13.294011/post-3105890
https://www.420magazine.com/community/threads/alien-hydroponic-easyfeed-system-13.294011/post-3105890