you could slow them down in the 4x4's if need by running a lower strength on the nutes until ready to really get some growth
tinytoon Reviewed by tinytoon on . Root Trimming on in Rockwool I have a few youngsters - about 3 weeks from seed - whose roots are starting to storm through the bottom of the 1" RW cube. My goal is to keep them in the 1" for as long as possible then move them into 4"x4" cubes. To do this, is it safe to trim the roots as they poke through the bottom of the 1"? word, -Colour Rating: 5