Hey bud,
Welcome to the site, glad to have ya here.. hopefully we can get you some kind of bud before you move.
Switch to tap water and let it sit out 24 hours first & add epsom salts to it - you need some magnesium and hopefully your tap has some calcium.. bottled water is typically distilled, has nothing in it.. 1 tablespoon Epsoms per gallon.
Also get some Miracle Grow Quick Start (4-8-4) and reduce the directions dosage to half strength.. if it says 1 dosing cap per gallon, use a half cap per gallon. Whether it's pH lock out or not (it probably is), your plant is deficient in Phosphorous.
Bring your lights closer, if they're all flouros - bring them within 2 inches of the plant..
Let the soil dry up real good before you water again, your plants look a little over watered.