excess fertilizer causing burnt leaf tips and lockout of other elements. You have combos of deficiency going on. transplant to a bigger pot. use that opportunity to flush the plants well with 1/4 strength nutes. at least 3 times the size of the pot. then wait for the plant to begin growing...
that deficiency was happening on the mother it came from and continued to progress in the dome. make sure your rockwool is 5.8 ..ALOT of ppl make the mistake of letting the new cubes drift up during cloning stalling the clone. because they want to be gentle and not mess them up too much. it's a...