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OfflineTektonic
dont panic, it's organic

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Registered: 05/15/10
Posts: 123
Last seen: 5 years, 6 months
Yellow tips on tops!
    #424597 - 05/27/10 02:21 PM (6 years, 6 months ago)

Thanks guys! Here's some pics of the worst symptoms:



This has been going on for a week or two now,
it's only happening to the new growth on the top node of each plant, no other shoots have the yellowing
1200w too close @ 24"?

Soil:
1. Are you growing from seed or clones?            seed
2. How old are your plants?                        1 month
3. How tall are your plants?                      10 inch
4. What size containers are they planted in?      4 gal
5. What is your soil mix?                                  roots organic, "natural & organic"
6. How often do you water?                        48hrs, RO'd water
7. What is the pH of your water?                  6
8. What kind of fertilizer do you use?            general organics bio thrive (4-3-3)+ CalMg (0-0-0)
9. Do you foliar feed?                                  no
10. What kind of lights?                          2x 600w HPS = 1200w
11. How close are your lights to the plants?      were 12", last 4 days they are 24" away (still yellowing on new tips)
12. What size is your grow space in square feet?  5x5
13. What is the temperature and humidity?          69-80f, 40-60% rh
14. What is the pH of the soil?                            6 
15. Have you noticed any insect activity?          fungus knats (watering with biological larvacide, inert to the plant)
16. How much experience do you have growing?              novice


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Daily Tzolkin

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"If triangles' had a God, he would have 3 sides."


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InvisibleFurrowedBrowM
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Registered: 04/20/08
Posts: 12,037
Loc: Carpal Tunnel
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Re: Yellow tips on tops! [Re: Tektonic]
    #424802 - 05/27/10 09:23 PM (6 years, 6 months ago)

Diagnosis isn't my forte (and I dont have an answer for you) but i just wanted to say that those plants look really really good with the obvious exception.  Hopefully this gets answered for ya soon.  good luck!


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OfflineTektonic
dont panic, it's organic

Folding@home Statistics
Registered: 05/15/10
Posts: 123
Last seen: 5 years, 6 months
Re: Yellow tips on tops! [Re: FurrowedBrow]
    #425040 - 05/28/10 02:06 PM (6 years, 6 months ago)

Thanks! I took the lights up a few more inches and new growth on the tops is nice and green
There's a post in cult with some more pics now too


--------------------
Legal & Compliant with local & state regulations.

Daily Tzolkin

:peace: :heart: :earth:

"If triangles' had a God, he would have 3 sides."


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Cannabis, Marijuana, Ganja & Greens >> Cannabis Cultivation

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