Here is more info: Remember the plants under the T5's see the same nutrient schedule and watering and and circulation and they are great. Just the HPS ones are the problem.

S=traditional soil
E-indoor
CSL-FFOF
SCLR-6.8 pH
E-RO
E-6.8 pH
E-1 month veg, 19 day flower
E-1tsp liquid karma, 1tsp earthjuice bloom, 1tsp kabloom
E-every other watering for nutrients
E-400w HPS 9 inches
E-Air temperature 80
E-Air % Relative humidity around 15
E-12/12
E-2 fans and open door into the house
TR-Did you pre-soak your media in pH correction: No