Welcome to the Growery Message Board! You are experiencing a small sample of what the site has to offer. Please login or register to post messages and view our exclusive members-only content. You'll gain access to additional forums, file attachments, board customizations, encrypted private messages, and much more!
How do you check the pH? I've seen the exact look there in the updated picture before and its not something to worry too much about. The sativa is more sensitive to nutrient conditions and that's why its showing a little more problems. Just try to find the right pH for the plant and give the sativa more P/K than nitrogen, especially towards the time its getting ready to grow side-branches and start to mature...