Need advice plz anybody

So I GOT 6 PLANTS GOING RIGHT NOW IN DAY 4 OF FLOWERING USED A 400MH FOR VEG AND I'M USING A 400 HPS FOR FLOWERING RIGHT NOW......LIGHTS OFF 75TEMP AND LIGHTS ON 81 CONSTANT...HUMIDITY 48 - 60 HAVE A HUMidier. GOING.....3.7GALLON SIZED POTS GROWING IN MG MOISTURE CONTROL.... HAS TIME REALEASE NUTES BUT NOT SURE IF I SHOULD ADD A LIL BIT OF NUTES SINCE ITS FLOWERING TIME....ANYMORE INFO ASK AND I APPRECIATE EVERYONES ADVICE TRY TO GET PICS LATER ON TONIGHT IF POSSIBLE

usually in the firet 2 weeks i find plants need more nutes i would add some flowering nutes just ease into it and watch for results if they seem to take it slowly ease more

Wat do u recommend considering I'm using not that good of soil to begin with but had to do for this first time grow

that soil is fine, usually go 5-6 weeks from transplant with no nutes just ph water in MG soil. 4week veg, then use a good base on the second week of flower and use your nute plan from there. 400 not enough for 6 plants more light is better, as for heat, exhaust fan? air cooled lamp? you need a 1 min air exchange or co2 enrich. to keep co2 level good. Humidity during flowering should not go over 55% if so you risk grey mold or worse. ventliation is key!

Any advice on wat nutes I can find at some local stores.....ya I was lookin at keeping 4to5 max just waiting to see which ones are female and which ones are male...today is day6 of flowering...my grow is in a restroom pretty much have one box fan up high and one down low and keeep the ac running...and keep the restroom door open when lights are out and leave it cracked when lights are out plants have been looking good.....llower leaves on main stem all seem to be dying...is that cuz of not enough light.... had a lil gnat problem at the begin I had humidi too high but got rid of them over then that everything looking good for the first grow

Also I have only been feedng them water with that soil ...was looking into getting an exhaust with carbon filter and have the ducting come out of the restrrom door and out to the open area but was on a budget this. Grow but next grow I will get that and better soil with better nuts