ph your water to 6.5
add 1/4 nutes till you see new grow
I only use 4' flos for veg at 18/6, then I use my 1000hps for 12/12
i use the pure blend pro series, cal-mag, liquid karma, hydroguard, and sweet.
I've had a perp harvest going for over a year off 3 clones which are the mums.
gl