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AG42M Automatization of ventilation to keep humidity under 80 and temp under 28°C
LED 200W
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6
Week 6. Flowering
10d ago
1/3
55 cm
Height
20 hrs
Light Schedule
28 °C
Day Air Temp
6.5
pH
Normal
Smell
80 %
Air Humidity
10 L
Pot Size
1.25 L
Watering Volume
65 cm
Lamp Distance
Nutrients 1
Hybrids
1 mll
AG42M During weeks 5 and 6, yellow leaves started to appear, so I double-checked my settings and bought a pH meter to monitor the water. I adjusted the pH from 7.5 down to 6–6.5.
I added universal fertilizer (15-7-22) at 1g/1L only once, but it had little to no effect. My guess is that the soil is still fine.
I started watering every second day, which had a slightly better effect.
At the end of week 6, I reduced the LED to 160W and lowered the circulating fan closer to the mid of the box, keeping it on the same schedule as the light. I also raised my sensor to the height of the pots.
From time to time, I move the pots. No other special techniques are being used. My guess is that overheating was the issue, but now it seems to have stabilized.