Transplanting during flower?

So I have a ebb and flow with hydroton, my clones are 6inch rockwool cubes inside a pot with hydroton. I know it will be counter productive but due to watering problems how bad would it be to cut the pot open and place the rockwool directly on hydroton? I am in end of week 1 flower. . My watering issue are some plants are getting over watered in the pot for some reason well others are fine, I also have rockwool blocks on hydroton that are doing fine as well. Thanks
 
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