Any Idea what the problem is? (pics)

Discussion in 'Growing Marijuana Indoors' started by newbie420024, Mar 7, 2010.

  1. So I'm on the 14th day of flowering and I have notice some issues with the plants. Some of the leaves are showing weird issues, typically on fan leaves only. Anyone have any idea what this could be from?
     

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  2. might be nutrient burn. How often are you using nutes and at what strength?
     
  3. I have only gave them nutes once so far which was after 1 week of flowering. Its shultz plant food 10-15-10.
     
  4. Is your pH correct?
     
  5. almost looks like the light burnt it
     
  6. looks like nutrient lock up/burn. Are most of the tips on your leaves burned? If they are not burned, you could simply have too high of temps. Check your ph, should be around 6.5
     

  7. yea on 2nd thought this looks more like what happened. Nute burn is usually more yellowish.
     
  8. Last I checked the ph it was between 6.5-7.0, my ph tester isnt the greatest. It doesnt give me exact reads. Most of the leaves are green but towards the bottem some leaves dont look that healthy. I'll check the ph right now and see what I get, I can post some more pics of the other leaves that seem to have issues if you guys wanna take a look and could possibly get a better idea.
     
  9. Well Im only using cfl lights and keeping them no closer than 1inch to the plant so I really dont think it could be from that? I also am using a 100watt halogen light but thats a good 6-8 inches from the plants.
     
  10. Check your PH, Could possibly be that you spilt some feed on the leaves and it burnt them..
     
  11. No I was very careful with that and no water with nutes in it got on any leaves. Sure of that.
     
  12. The yellowing leaves you are talking about towards the bottom of the plant are a sign that everything is going properly. During flower, your plant stops taking in nitrogen (which turns leaves yellow) and takes up phosphorus to help with bud development
     
  13. This ph test kit seems pretty worthless to me, it never seems to fluxuate everytime I use it. Always seems to be around the same color. Hopefully im wrong and its giving me someonewhat accurate reads.
     

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  14. Take some water and put some lemon juice in it and test it. That will tell you if the thing works.
     
  15. I'll have to run to the store, fresh out of lemon juice ;)
     

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