Hi there, the grow set up is looking nice! I really like growing in coco so I can try to lend a hand. When you are growing in coco, you always want to add Cal-Mag in addition to your base nutrients. Coco will bind to calcium and magnesium (due to its cation exchange properties) leaving it unavailable for the plant to use and creating deficiencies if extra is not fed into the grow medium.
Because of this, i add 3-5ml of calimagic, or .5ec of any other Cal mag nutrient, before adding my base nutrients and other goodies.
The other property of coco to pay attention to is that it should always be wet, and never left to dry like with soil. I water 6x per day with an auto water setup, but you can get fine results hand watering 1x per day (or every few days with large pots or depending on added perlite).
Properly controlling those two properties really lets coco become a great growing medium, which is why I love it! I hope this helps, happy growing! 🌱👍
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