Strain; Type, Bag seed, or NA
Seeds are ILGM White Widow Auto
Soil in pots, Hydroponic, or Coco?
Grown in DWRC Hydro, been growing like this for 7 years.
Hydro tanks are 48qt coolers with air and recirculationg pumps.
PH of runoff or solution in reservoir?
I PH the water after adding nutes, I usually PH to 6.5 and let it fall.
What is strength of nutrient mix? EC, or TDS
Tap water is 145 TDS and young plants are abour 200-225 TDS
And larger flowering plants are typically around 250-275 TDS
Indoor or Outdoor
Indoor, Controlled Environment
Light system, size?
LED 300w x 4 lamps plus some CFL and T5 side lighting
Temps; Day, Night
Mid 70’s F. 24/7
Humidity; Day, Night
Ventilation system; Yes, No, Size
AC, Humidifier, De-humidifier,
I live in a dry climate, indoor Humidity typically around 40% up to 55%.
Inline Exhaust system through ceiling.
Co2; Yes, No
PH doesn’t seem to drop until the plants start to show flowers.
Seedling PH seems stable through first month.
I’ve grown hydro like this for 7 years, haven’t seen this problem before and is consistent
over 40 plus WWA plants.
I use Advanced Nutrients Sensi-Grow/Bloom two part.
My PH can drop a full point to a point and a half in a few days if left untended.
This happened a few times when I had to go out of town for a few days, resulted in losing several sun leaves that either yellowed and dropped or fried and curled.