HELP!!! tangerin dream feminized 400w grow

hi i need help becuase i dont use a ph meter but ive been lucky so far i have one out 5 fem tangerine dream the only one to survive the germination process but i have sensi bloom part a and b but i dont know exactly how to use it i am growing in miracle grow moisture control soil was using gh flora nova just halp a teaspon per gallon every other week for veg but now i think its time for flowering what u guys think??? also how much do yu think she will yield??? but can any one help with the sensi bloom a and b how mmuch should i use and how do i use it in soil thanks

No idea but be prepared for at least 14 weeks of flowering - TD has a reputation for being an extremely long flowerer.

thanks do you i should make a scrog on her???

Definitely, unless you have tons of headroom - she's gonna stretch like mad.

i got about another 18 inches or so wat u thinks shes under a 400w mh air cool bout to switch to hps