Yellowing leaves

[Eviljoker1982]

Ph intake is 6.3, ppm 700-900 depending on the feed, with I add N get small amounts of the claw, I’m leaning towards potassium.. but like 2nd opinion

 

[Lil Dab]

Ph intake is 6.3, ppm 700-900 depending on the feed, with I add N get small amounts of the claw, I’m leaning towards potassium.. but like 2nd opinion
View attachment 1667689View attachment 1667690

Yeah I'd say your right a k deficiency but sounds like its being locked out from too much N