yellow leaf sativa

I use 15 Liter fabric pot..I think I gave my plant too much of water yesterday..it was not that dry for a new watering, but I was going away for 2 days so I wanted her to be fed for days. anyways now that I’m back..only 1 day after..I spotted these lemon looking discolored leaves On my...

Growing a single Sativa in 5 gal smart pot. Topped several time and supecropped. Feeding nutes, occasional cal-mag, microblast. RO water and mycorrhizae. It's bushing out nice after 4 weeks and I plan to veg 4 more. There is one yellow leaf on it. It will wither and die then one more leaf...