Help: Cause of issue and correction

[South of the Skunk]

Strain: unknown
Medium: Down to Earth Coco+perlite
Medium amended with Down to Earth 4-4-4
Light Mars Hydro PS150 at 30"
Watered at ph6.0
Week 6
Transplanted to 3 gallon pots 10 days ago and that was when issue started.

This issue started with the top leaves and has slowly progressed down to lower leaves.

If anyone has a diagnosis and possible routes of correction, it would be greatly appreciated!!

 

[MickFoster]

Are you using dry amendments instead of liquid nutes?

 

[South of the Skunk]

Yes, dry amendments

 

[MickFoster]

Yes, dry amendments

Good luck with that.

 

[Stunned]

Hey @MickFoster
How did you know about the dry nutes?
And what the heck is this thing about using dry nutes in coco?
When did that even become a thing?
Just goes to show what a little bad information circulated on the web can do I guess.

 

[MickFoster]

Hey @MickFoster
How did you know about the dry nutes?
And what the heck is this thing about using dry nutes in coco?
When did that even become a thing?
Just goes to show what a little bad information circulated on the web can do I guess.

It started a while ago......there's a guy on you tube called mr. canuck that promotes it.
Every grower that I have known that uses it has problems......I've yet to see a successful grow using this method.
And obviously I can't help the OP with his problem......maybe mr. canuck can help. Lol.

 

[South of the Skunk]

Are you using dry amendments instead of liquid nutes?

Yes. I'm using Down to Earth Organics. In my first pots I mixed 1Tb of their 4-4-4 with each gallon of medium. I mixed my medium before transplanting and used 2Tb of 4-4-4 per gallon of medium.
Manufacturers reccommended 1-2Tb per gallon.

 

[Stunned]

The website says in their application rates that it is to be added to soil, but you're growing in coco.