Hello, I beg for some quick help. So the thing is I have 2 bubble gum plants at the time in 12 litre (3 gallon) pots. I am using soil and they are now 4 months old, 5 week of flower. I have been feeding Advanced nutrients BLOOM, and CalMag at the indicated dosage according to the bottles. I am using tap water dechlorinated for 24 hours and pH at 6.5. I water my plants every 4 days or so, depending on how dry the soil is. Mostly, the bottom leaves are turning yellow on the veins annd then dying not so long after. It all starts on the veins, and the some thick sports occur and the leave is gone in 2 days time. Please I need help urgently.

Light info (16000 lumens for a 2x3):
1.cfl 20watts 6400k
2. 2x led 15 watts 6400k
3.2x20 watts COB 3500k
4.COB 30 watts 3500k
5. 2xled 8 watts each blurple
6. Cfl 15 watts 3500k
Attached Files