First coco grow. Do i need to supplement calmag with canna a+b?

Indoor Growing
8

I’m with you mate would love to try coco/perlite but theres so many articles on the net which sound contradictive of each other particularly regarding watering and so on. I use Dyna Gro nutes in soil/perlite and they state you dont need calmag in anything as their formulation includes it.

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