anybody know the deficiency?

[TheCheesyMan]

hi all

anybody know whats up with my plant?
thought it was a mg deficicency,added some epson salts some time ago,still not better?

 

[Can of Bliss]

I'd guess nute burn, but it could be potassium. What are you running in and how strong are you mixing it and at what pH?

 

[TheCheesyMan]

Thanks bliss
This started early in veg when nutes are very mild,ph 6.2 - 6.5.
What can I add for potassium?

 

[stoned40yrs]

What nutes you use? It's probably a potassium lockout. A lockout means you can't solve the problem by adding potassium. Are the containers on a cold floor? Are you sure the ph isn't too low?

 

[TheCheesyMan]

Yes mate pots are on a coldish floor,you think I should higher the ph?is 6.5 not high enough?im using a Dutch brand of nutrients called 'mills',its can't be the nutrients as I've had this problem before using different nutes.
Thanks again for your help!

 

[Can of Bliss]

Are they growing in coco coir? Do you have a ec/ppm meter? If so, what are the nutrients going in? How about run off? Test the pH of the run off water too.

 

[TheCheesyMan]

There growing in all mix soil,I don't have a ppm metre?
Il test the ph of the run off aswell,thanks again guys!

 

[stoned40yrs]

Runoff ec don't mean much. You need to do a slurry test to know what's going on in the rootzone. Can you raise your plants at least 1 foot off the floor? Cold rootzones can cause lockouts like this.

 

[TheCheesyMan]

Thankyou stoned40 il try that,will let you know how they get on.