You are starting to see N deficiency. Normal for this point in flower.
What line of nutes are you using with hydro? What is your reservoir capacity?
Thank you so much, should I bump the nitrogen?
I use 3 part th plus all the additives. I’m running in 5 gallon buckets but at this point full of roots, I add about a gallon of water every night to top off
Thank you, should I bump the nitrogen?