D DutchmasterCC Active Member May 9, 2013 #1 Once your plants go into flower do you switch from a MH to HPS?
tekdc911 Well-Known Member May 9, 2013 #2 yes but flowering isnt truely going until 2-3 sometimes 4 weeks after preflower
AimAim Well-Known Member May 9, 2013 #3 Run your MH a week or so after flip, IF YOU WANT, then switch to HPS. Not rocket science actually.