If you have the means to use a mh then use it during the stretch or just until you see buds start to form. MH bulbs will help decrease the stretch. Now, some strains will stretch more then others, and sometimes a grower will want the plant to stretch normally. This is up to you and your grow space/style.
Light movers are awesome, but in a 3x3 area I don't see the benefit.
growbe Reviewed by growbe on . 400w Metal Halide for first month of flowering? Okay, right now i have a 600w HPS which covers a 3 x 3 area. I figure i can fit 6 comfortably. I was wondering... could i double what im doing by getting a 400w metal halide for the first 4 months of flowering then switch to the 600w hps for the the main budding phase. Someone was telling me that plants grow denser with sturdier stems under MH light, and since the first 3 -4 weeks is stretching could MH light help control stretch? Could a 400w MH keep up with 6 medium sized plants for a month Rating: 5