I don't think they need more calmag. Looks like you are giving them plenty of nutrients. First I would check your pH runoff because you can lock out nutrients if you are out of range. I like to keep it around 6 to 6.5. If your pH is good then you are most likely overwatering. It is good to let the soil dry out quite a bit before watering or it kinda suffocates the roots and they can't take in nutrients. Good luck with them!
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