Astro grape

Start of week 7 Ro water Calmag 5 ml per 10l A+b Ult pk 25 ml per 10l Ph 6 Light 100% Ppm 896 As you can see the back left just looks dead. I tryed flushing her last week and only feeding. Ph water but she just crashed hard. The other 3 look good back right is a keeper she is just lovely frosty and has the best fruity smell. Total stunner. This the last week before flush for 2 weeks. Happy growing all