Days 29-35
Water target is 4.5L/week or 643 ml/24 hours
Day 29
Plant ht = 10”, light 13” above plant top. Added 25% UV_IR.
Maintain 500 ml drip @ pH 5.8.
Pot heavy, moist to finger depth.
Misted plant with soap/neem oil solution leftover from mix in Wk2.
Moved internal cabinet fan to lower right corner to improve circulation under the plant.
Added external fan to push air in through the lower right port.
Day 30 18Sept22C
Plant ht = 10-1/2”, light 12-1/2” above plant top, 100/ 25% UV_IR.
Maintain 500 ml drip @ pH 5.8 (pH natural increase of 0.1).
Pot weight light, soil dry at finger depth.
CO2 levels are up from 420 to 600 ppm. RH down to 46%.
Day 31
Plant ht = 11”, light 11” above plant top, 100/ 25% UV_IR. Raised light to 15”. LLP
The two minute drip drip @ pH 5.8.
Pot weight medium, soil dry at finger depth.
Auto drip set to 3 min (1000 ml)/day. Misted plant, hand watered with 750 ml, pH 6.5. Added 300ml from drippers.
CO2 levels avg 600 ppm. RH down to 44%.
LST around pot, pulling flowering branches down.
Removed 2 large, 2 med, & 3 small leaves.
Day 32
Plant ht = 12”, light 13” above plant top, 100/ 0% UV_IR. Raised to 15”.
Slight yellow on some leaf tips. Maybe a sign of overwatering, cutting back drip to 1,000 ml every third day.
Water supply 6.0 pH.
Adding the UV_IR lighting at close distance may have been premature.
Turned UV_IR to 0%.
Day 33 21Sept23
Plant ht = 12-1/2”, light 13” above plant top, 100/0% UV_IR. Raised to 15”.
No watering.
Additional LST using pipe cleaners.
No additional yellowing on leaf tips.
Turned off the interior circulating fan.
Changed light cycle to 18/6.
Day 34
Plant ht = 13”, light 13-1/2” above plant top, 100/0% UV_IR, 18/6. Raised to 22” above canopy.
No watering.
Adjusted LST wire.
No additional yellowing on leaf tips.
Feed water pH=6.1
Day 35
Plant ht = 15”, light 21” above plant top, 100/25% UV_IR, 18/6.
Fed 2,000 ml from drip, programmed 2L every 2nd day.
Feed water pH=6.4
Leaf tip burn areas are brown and dry.