iron

Hey all, I have pretty much the same issue every grow. Plants start out looking great, all green and beautiful. Once the stretch starts and during the transition to bloom, a bunch of the tops look weak, flimsy, and kind of yellow/lime. I even got rid of all my soil and started over with fresh...

This deficiency is on only 2 branches. The issues is at the top of the plant. The plants aren't too close to the lights, the temps/rh are good, the ph is in a good range. From research I have done, it looks like it might be an iron deficiency, what do you guys think? The leave is pale...

Critical Purple Autoflower from GCS SOIL: fox farm ocean forest LIGHT: 600W LED & 100W CFL 3 Gal. pot Running continuous 20/4 light sched. Sprout broke soil on Jan. 10 so seedling is 1 week old at this point. Also this is my first grow so forgive me if I’m missing anything.... So from doing...

Bio bizz light mix Water ph 7.0 22 degrees c Biobizz Nutes (grow and fish mix for now) Led lighting (600w draw) will measure run off on next watering I’m thinking iron/mag ? But need advice

Pineapple Express and white queen Vegging 18/6 under 3500k and 6500k COBs RDWC running between 500-600 uS (300ppm) and pH between 6.2-5.5 temps between 65 and 85. Have a chiller but during the day it's too hot for it to handle. Using just ROed water, Dyna Grow foliage pro (analysis of...

I have yellowing plants in both Flower and Veg. Started about a week and a half ago and has progressed, more noticeably in veg. At about week 3 of flower, the buds still look fine besides they are bright yellow. I am using FFOF, I measure my runoff PH and it is always between 6.2-6.7. I...