First grow Help

im a complete newb to this never done it in my life just done some reasearch of videos and people and thought id have a go just wanted to know if i am doing things correct ive posted some pics of it below and a description about it.

Indoor Grow Room
Grown From : Cutting
Strain: Blue Cheese ( do not know correct name lol )
Medium : Soil (coco)
PH : unknown
Temperature : unknown
Light Source : 3 x 600w hps using 1 for veging 3 for flowering

well the plants have been growing for 3 weeks they have been under 24hr a day light no dark apart from one day a week 6 hours off im gonna start flowering in 7 more days so its been a month is this a good idea or should i keep vegging let me know please, also ive been using a 20 litre container with 1 drop of ph down in and 2 caps full of my coco A & coco B which is 50ml and thats all the nutes ive used as of yet any advice on what to use next aswell would be grate becuase im kinda stuck now thanks

anyone got any advice on what light schedule i should use for the last week or what nutes i should give my plant next thank you

Hey man
Looking good
I can see a little bit of heat stress
But ur doing well
And as for the veg time
It's purely down to how much room u have
Remember ur plants should triple in size by the end
Of ur flowering cycle
Good luck