m0useanswered grow question 5 months ago I agree some Mg signs. but also the burnt tips inundate overfeed. so maybe its not balanced.
other things can cause interveinal chlorosis, but Mg is one of the main ones.
Check out this leaf chart for more options.
https://420life.com/wp-content/uploads/2021/10/Marijuana-Leaf-Deficiency-Chart-scaled.jpg