Looks like Nute burn..... what ppm are you feeding the little thing, at the stage of growth your plant is, I would say you should be no higher that 400 ppm


SpaceNeedle
SpaceNeedle Reviewed by SpaceNeedle on . 3 weeks from seed and tips yellowing?? 5 ladies in Bubbleponics setup under 600w MH 30 inches away. Ph average 6.0 to 6.8. , Temp 73 to 79 constant.They are 3 weeks from seed. GH nutes, roots white. Any suggestions why my tips are turning yellow? Please help. Rating: 5