Defeciency? not quite sure?

i’ve got a couple of plants in a bunch of 16 that have deficiencies… i think… EC is 0.5 late veg/early flower… ph dipped down but i changed the water and its at 5.9. the other plants look fine…? have seen a few gnats so ive been spraying the tops of the hydroton with a splash of h202/alcohol and a drop of soap…in a spray bottle… 9:1 or less on alcohol… havent seen any more…


Can you post pics of the whole plant, in normal light.

Alcohol?

Filling out a support ticket will help immensely.

…rubbing alcohol… kills the gnats without hurting the plant…diluted 9:1. i’ll get pic shortly… they are huge…