when should i change from M.H bulb to HPS bulb??

[friendlygrower]

hey guys i usually never have a m.h and go right to hps from t5 lights but this time i have both i was told to keep the m.h for abit to help with stretch i am now two weeks into 12/12 should i change to my hps now or wait another week or what??growing indica strain 80%-20%

[creeperpark]

Two weeks into flowering is a special time for sure. I would run High pressure sodium from now on til the end. Gives the best Trichome profile! Happy gardening time bro!

[joker_the_smoker]

i change my MH 2weeks after flip, or when the stretch has finished keepin the MH in during them 1st 2 weeks after flipping to 12.12 help keep height down a tad + combine it with close lights on an off temps an your laughin