E...
Active Member
See attached photo. These plants were grown with untreated tap water as an experiment. The purpose is to find the right water treatment. Previously, I've had several successful grows using rain water and distilled water. Drought has reduced rainfall, so that's no longer dependable.
Miscellaneous info:
- Plants: six (cultivars: white widow and purple kush)
- Age: approximately 3.5 months old (5 weeks in veg stage)
- Soil: 80 percent FF Ocean Forest, 20 percent perlite
- Nutes: 2 tsp Tiger Bloom, 0.5 tsp Superthrive per gallon at every watering
- Lighting: 84,000 lumens (400w HPS overhead and CFL side), 2700K spectrum
- Light cycle: 12/12
- Temperature: ventilated room with temps that range from 78 to 89 degrees (F).
Water:
- pH: 7.8
- PPM: ????
What's happening here? What changes should I make for optimum growth and yield?