Cant figure it out? Yellow Leaves

Im a 2 year grower, I grow indoors with utilizing Mothers to clone from so no sex problems. I use a 1000w for Vegging & 2 1000w for flowering. The vegging cycle is about 4 weeks long with 18/6 lighting. The nutrients are Fox Farm Grow Big once a week.

The flowering is about 8 weeks long, I use Foz Farm Big Bloom & Tiger Bloom, once a week. The lighting is 12/12.

I have been growing beautifully and all of a sudden I am getting yellow leaves everywhere? The flowers are nice and show no signs of bad growing or deficiencies. Basically everything great except the outer layers look like sh*t?

My yield is about 1 Z per plant after drying, which I felt in soil is good.

I use PVC cylinders that are skinny in Dia but long in length. About 24-36 inches Hieight. I have been told Im getting my roots bound, but I say Bullsh*t cause I have grown like this for 2 years and every grow its Dark forest green.

I recently built a nice enclosed room in my basement which I thought would help...maybe it isnt but I dont c how it could hurt.

Any suggestions...please help get rid of the yellow leaves. I was thinking maybe I need CO2?

Nah you need more Nitrogen.

yup more N is needed, also are you in the beginning, middle, or end of flower?

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Originally Posted by invision

yup more N is needed, also are you in the beginning, middle, or end of flower?

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end of flowering, but just brought more over from vegging room last week, and now they are yellow

you need to buffer the period with water. Not too bright light at first ease it in. sounds like too much chemical of some kind
water for two days and then resume the blossom booster/flow.
Forget the organic - use chemicals. tiger bloom was good for spray tho.

1z is nothing/plant. I avg. 1.8. Used to get 2 + per. I would consider 1 a failure.

first start with peats, then xfer to 1/2 gal bags in troughs, then transfer them to 2 gal pots w/saucers. They will be thick and punchy if pruned right. If they are healthy there are lots of roots youneed to give them room

Quote:

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Originally Posted by the scientist

you need to buffer the period with water. Not too bright light at first ease it in. sounds like too much chemical of some kind
water for two days and then resume the blossom booster/flow.
Forget the organic - use chemicals. tiger bloom was good for spray tho.

1z is nothing/plant. I avg. 1.8. Used to get 2 + per. I would consider 1 a failure.

first start with peats, then xfer to 1/2 gal bags in troughs, then transfer them to 2 gal pots w/saucers. They will be thick and punchy if pruned right. If they are healthy there are lots of roots youneed to give them room

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Thanks sci

Can we see your triceps?

cheers