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Strain: white ice
5 weeks old plant which is about 10 inches
lights: cfl, 240w, 6400k
grow medium: common organic soil
humidity: 35-55%
temperature: 28-32Celsius( 80-90 Fahrenheit)
nutrients: bio-grow of Biofrizz
exhaust fan and small fan inside the tent for air circulation
the last two weeks noticed some brown spots on leaves that seem to spread and tips of leaves become dry and spread making leaves becoming crispy. Mainly on the lower leaves but just spotted a few brown spots on the higher leaves!
Tried to adjust my ph but the water running from the bottom of the pot was below 6.0. On the last watering I did yesterday, water that run from the pot was 6.5 ph
I don't know if its nutrient burn, heat stress or spider mites