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Is this a Nitrogen deficiency?

  • Thread starter Thread starter Wolters_88
  • Start date Start date Aug 14, 2020
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Is this a Nitrogen deficiency?

Wolters_88 Aug 14, 2020 91 Replies 8,935 Views
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Wolters_88

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#21
White widow with runoff of 5.74
 

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Wolters_88

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#22
Jack Herer with run off of 5.99
 

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Wolters_88

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#23
Another white widow with 5.92 runoff
 

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Wolters_88

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#24
Another OG kush with runoff of 5.97
 

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MIMedGrower

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#25
All 3 bottles of the fox farm trio are needed to be a complete nute.

I would flush them out with a lot of runoff till clearish and feed maybe a 25% strength dose of the transition directions with all 3 bottles. Also to good runoff to help clear out excess and imbalanced nutes.

Should have an ec meter (ppm) to monitor this each watering feeding.

The ph will return to 6.5 likely when fed properly from the buffers in the soil.
 
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Beachwalker

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#26
Wolters_88 said:
I will go ahead and show each plant. I just did a run off on each one. I used one gallon of pure RO/DI since I know it had an exact PH of 7.0. First was this OG kush. The hairs are all still white so I’m guessing I have three to four more week. The runoff on this was 5.8. Here is a picture of both the main cola and the issues I’m facing.
Click to expand...
 
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Wolters_88

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#27
Beachwalker said:
View attachment 1019067
Click to expand...
So it’s coming out exactly as it goes in. Then how do you get a runoff number?
 
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Wolters_88

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#28
MIMedGrower said:
All 3 bottles of the fox farm trio are needed to be a complete nute.

I would flush them out with a lot of runoff till clearish and feed maybe a 25% strength dose of the transition directions with all 3 bottles. Also to good runoff to help clear out excess and imbalanced nutes.

Should have an ec meter (ppm) to monitor this each watering feeding.

The ph will return to 6.5 likely when fed properly from the buffers in the soil.
Click to expand...

I have been following this the entire time.
 

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MIMedGrower

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#29
Wolters_88 said:
I have been following this the entire time.
Click to expand...


Yeah schedules are just guidelines and the fox farm directions show all 3 bottles in use. Without them you will have imbalances and deficiencies.

And you have to monitor the medium for nutrients. Every grow is different and so is every plant.

I only use a grow bottle with potting soil all the way through but taper the strength up as they grow and back down as they ripen.

Im trying to say give the plants what they want not what it says on the schedule. Kind of a difficult learning curve.
 
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Dr.B

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#30
You've got some salt buildup happening. Water through until it reads the same or very close on either end. pH & EC/ppm/tds
 
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Wolters_88

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#31
MIMedGrower said:
Yeah schedules are just guidelines and the fox farm directions show all 3 bottles in use. Without them you will have imbalances and deficiencies.

And you have to monitor the medium for nutrients. Every grow is different and so is every plant.

I only use a grow bottle with potting soil all the way through but taper the strength up as they grow and back down as they ripen.

Im trying to say give the plants what they want not what it says on the schedule. Kind of a difficult learning curve.
Click to expand...

Ok, so I just flushed when I did these tests. Do I wait until it’s dry again to feed nutes again?
 
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MIMedGrower

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#32
Wolters_88 said:
Ok, so I just flushed when I did these tests. Do I wait until it’s dry again to feed nutes again?
Click to expand...


How low is the ec from the final runoff? The ph numbers were still low?

I always feed with the last gallon i run through when flushing out excess nutes. Or even flush with the solution. Like a 1.2 ec dose or less depending on stage.

Unless i am just adding water to use up nutes that are in there. Or flushing down to a certain ec.

Both ways can work.
 
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Wolters_88

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#33
MIMedGrower said:
How low is the ec from the final runoff? The ph numbers were still low?

I always feed with the last gallon i run through when flushing out excess nutes. Or even flush with the solution. Like a 1.2 ec dose or less depending on stage.

Unless i am just adding water to use up nutes that are in there. Or flushing down to a certain ec.

Both ways can work.
Click to expand...

I just flushed with straight RO/DI water to check the PH like people said. The water pretty much just came out at the same Ph it went in at.
 
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MIMedGrower

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#34
Wolters_88 said:
I just flushed with straight RO/DI water to check the PH like people said. The water pretty much just came out at the same Ph it went in at.
Click to expand...


Yes ro or distilled water will take on the medium ph immediately as there are no minerals in it to buffer. The low ph shows an imbalance and left over nutes. It should come up to 6.5 with a proper flush.

You have the wrong amounts of nutes in the wrong ratios so the plant cant use any of it and it has built up. The plants are locked out.

Needs proper flush and proper feed. Cant just go back and forth on this. It will keep getting worse until corrected.

How long ago did you run the water through and check the ph? If today or yesterday i would flush with a couple gallons of water and then pour some light dose of feed through then wait as long as it takes to dry out.

They will need time to recover. You will need patience.
 
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Wolters_88

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#35
MIMedGrower said:
Yes ro or distilled water will take on the medium ph immediately as there are no minerals in it to buffer. The low ph shows an imbalance and left over nutes. It should come up to 6.5 with a proper flush.

You have the wrong amounts of nutes in the wrong ratios so the plant cant use any of it and it has built up. The plants are locked out.

Needs proper flush and proper feed. Cant just go back and forth on this. It will keep getting worse until corrected.

How long ago did you run the water through and check the ph? If today or yesterday i would flush with a couple gallons of water and then pour some light dose of feed through then wait as long as it takes to dry out.

They will need time to recover. You will need patience.
Click to expand...

I did this four hours ago. Ok, I will run another gallon with sledgehammer in it and then do a normal feeding with tiger bloom and big bloom. I’m a few weeks out so I’m also using Cha Ching. Then I will ph to 6.5 and feed.
 
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MIMedGrower

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#36
Wolters_88 said:
I did this four hours ago. Ok, I will run another gallon with sledgehammer in it and then do a normal feeding with tiger bloom and big bloom. I’m a few weeks out so I’m also using Cha Ching. Then I will ph to 6.5 and feed.
Click to expand...


Skip the kaching and i would use the directions where the grow bottle is mixed with the bloom and the organic bottle. Thats the only way its complete. Transition directions but less than half strength.
 
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Wolters_88

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#37
MIMedGrower said:
Skip the kaching and i would use the directions where the grow bottle is mixed with the bloom and the organic bottle. Thats the only way its complete. Transition directions but less than half strength.
Click to expand...

I always put half of what the bottles call for since it’s an auto. What I read said they burn really easy. Thanks for all the help. I will update to see what this did in a few days.
 
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Freaky75

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#38
It is normal to have some leaves turn yellow during the end of flowering too due to the plant using up nitrogen in the leaves for buds so don't threat so much . It is also true u need a grow feed to add with your bloom and not just bloom on its own .

On the double lol
 
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MIMedGrower

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#39
Freaky75 said:
It is normal to have some leaves turn yellow during the end of flowering too due to the plant using up nitrogen in the leaves for buds so don't threat so much . It is also true u need a grow feed to add with your bloom and not just bloom on its own .

On the double lol View attachment 1019210
Click to expand...


I use a grow nute all the way through for years. Cannabis likes a 2-1-2 ratio or close and it is a myth that they need less nitrogen and more pk.

Bloom nutes were designed as a signal for the plants to start flowering not to be used all through flower exclusively.

Even jacks classic duo instructs to use the 2-1-3 bloom booster only every other feeding at most.


The cannabis nute companies want to sell multiple bottles.
 
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Wolters_88

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Aug 21, 2020
#40
These are looking pretty milky to me. Am I about to hit the last two weeks? Should I start flushing now or are there a few weeks left like people have said before?
 

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Replies 91
Views 8,935
Started Aug 14, 2020
Latest post Sep 22, 2020
Starter Wolters_88
Forum Cannabis Infirmary

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