Hey guys my name is Corey and this is my first grow. I use FoxFarm nutrients, Mammoth P, Recharge, in a 3×3 with HLG 120, humidity is 46 and 80 degrees. Every thing was running great until a week ago when I noticed some yellowing on the tips of the top and mid leaves. At first I thought nutrient burn so I stopped using my nutrients and just feed it water the past 3 waterings. I looked online and it might be a copper deficiency (yellow leaves and curling up tips) It seams it’s getting a little worse each day. Now I’m thinking it’s lockout so I flushed it with RO water pH to 6.5. The run off pH was 5.9-6.0. Now I’m waiting to see what happens. How do I know which one it is? Should I check my ppm? Please help and thank you.
Is that one big plant filling your 3×3 and dwarfing its container? Plants that big in small containers need their nutrients replenished often. Burn would have looked more dark and curled the tips down. Copper deficiency is very rare. You should check the ppm of your run off if you are worried you’ve been over feeding. Looks pretty healthy overall. I’d start flowering that plant and feed it bloom nutes. Good luck and congrats on a good job so far on your first try.
-T. Meow
Thank you, and Yea it’s one plant. It’s white widow and it’s in a 7 gallon pot.
Plant looks great. Dial back nutes for a bit and grab some recharge too if you dont want to chase PH problems. Let the microbes do all the work. Are you following the FF feed schedule? I also agree with the comment above and throw her into flower and maybe scrog her and she’ll fill the 3×3 with colas.
Most micronutrient issues are due to ph issue or lolthought
Oops. Nutrient ratio issue. Small pot can also lead to root bound plant which can have similar effect. Definitely checking runoff ppm to see what’s going on besides the low ph. Having a water only day in your schedule should help with buildup and would be a good time to check runoff. What’s your soil?
Thank you , I use fox farm ocean forest in a 7 gallon pot , I check my ph when feeding it’s always around 6.4. I never use the nutrients in full strength either.
She’s hungry, feed her. Don’t get caught up in those deficiency charts they’ll just fool you. You have a base nutrient line that has everything in it, so just make sure you’re PH is right. If you never fed full strength and the plant keeps growing you’ll eventually have to up your PPMs as you have more root mass so that’s my hot take.
Hey man same and i mean same exact look and problems sometimes.. I noticed its a combo of hunger and VPD. Get that humidity up a bit my brother.