Problem

[Dubbs]

What Strain is it? Northen lights, from nirvana
Is it Indica, Sativa or Hybrid? What percentages?
How Many Plants? 1
Is it in Vegetative or Flowering Stage? 21-25 day of flower
Indoor or Outdoor? indoor
Soil or Hydro? hydro
If Hydro, Reservoir size? 5 gallon
If Hydro, Reservoir Temperature? room temp, between 68-71
If Hydro, what type of Medium? hydroton
If Hydro, what type of Setup? recirculating drip system
Size (Wattage) of Light? How Many? 192 watt, sunwave 8 bulb t5, 6 2800K bulbs, and 2 6500K since begining of bloom
Is it Air Cooled? yes a fan
Temperature of Room/Cabinet? 72
PH of Reservoir?between 5.5-6.0
Any Pests?no
How Often are you Watering? steady drip
Type and Strength of Fertilizers used? Floranova bloom and liquid kool bloom, 1100ppm, my water runs about 450 ppm
Size or Square Footage of Room? Tent 2x4x5ft

 

[JJ Bones]

Honestly I think you very hard tap water could be causes nutrient lock-outs regardless of the pH. I would highly recommend RO (purified) water.