Deficiency of some sort or a lockout?

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w0034x

w0034x

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Hi, long time lurker first time poster....

Quick rundown....

promix
jacks nutrients 3-2-1
7 gal pots
scrogged with cages
ph 6.0
watering every other day.
co2 bottled 800ppm
veg always is good going into flower
well water, 100ppm out of the tap
humidity 60 beg flower, reduce as it nears end.
hps 1000's , a little low, but are only on 600 on the ballast.

So, I've been struggling with varying levels of this for quite some time and can't figure it out. The issue is once I put them into flower, after about two weeks, they start showing a massive deficiency or lockout issue. Any thoughts on how to stop this, or what I should change/try? Below is a picture of the leaves in varying stages of whats happening. They seem to be drinking normally. I had originally thought it was a vpd issue, so I introduced a humidifier to keep my plants at a slightly higher level, especially since it's fall. That has not seemed to make any improvement.

TIA
B
Deficiency of some sort or a lockout
 
Aqua Man

Aqua Man

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Full plant pics.

How much water are you giving them at a time?

How much nutrients are you putting in the water?
 
BigCube

BigCube

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263
Have you measured your ppm out?

Have you been watering/feeding with runoff?

What's your feeding/watering schedule look like?
 
Beachwalker

Beachwalker

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"The issue is once I put them into flower, after about two weeks, they start showing a massive deficiency"

Do you change nutrients when you put them into bloom?
 
w0034x

w0034x

3
3
Sorry, yes, all good questions.

1. I am watering about little over a gallon to a gallon and a half at a time.
2. There isn't much runoff.
3. ppm of early flower and then bloom (week 3-6) is 1100-1300ppm. Early flower is veg nutes.

I feel if I water to runoff, there is so much water in there it takes too long for them to drink it.

I'm in plastic pots.

I have tried felt pots but same results.
 
Aqua Man

Aqua Man

26,480
638
Sorry, yes, all good questions.

1. I am watering about little over a gallon to a gallon and a half at a time.
2. There isn't much runoff.
3. ppm of early flower and then bloom (week 3-6) is 1100-1300ppm. Early flower is veg nutes.

I feel if I water to runoff, there is so much water in there it takes too long for them to drink it.

I'm in plastic pots.

I have tried felt pots but same results.
Sounds like you are getting a lockout from nutrient build up. That ppm is quite high and with little runoff is going to build up. I would cut the feed back by half and make sure to get runoff if using synthetic nutrients.

At this point a flush is likely in order
 
Beachwalker

Beachwalker

7,055
313
Sounds like you are getting a lockout from nutrient build up. That ppm is quite high and with little runoff is going to build up. I would cut the feed back by half and make sure to get runoff if using synthetic nutrients.

At this point a flush is likely in order
+1
 
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