Nute burn or n def maybe? - Cannabis Cultivation

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phrostbyte
Hydro Grower

Registered: 09/15/11
Posts: 475
Last seen: 8 years, 2 months

Nute burn or n def maybe?

#659346 - 02/17/13 07:12 PM (12 years, 1 month ago)

Leaves turning yellow but getting darker green.

The ph of my water was high for a few days... like 6.5 and the clones started to look sad. Adjusted ph to 5.6 and added advanced a/b. Leaves got greener plant started to grow bigger and now I see this sharp yellow on the leaves. Other than this plant seems healthy.

Thought maybe n def cause by nute lockout from high ph for a few days?

maybe nute burn? though my ppm's are pretty low.ans ?'s below and pictures

Hydro Growers:
1. Are you growing from seed or clones?
they are clones

2. How old are your plants?
2 weeks

3. How tall are your plants?
8"

4. What type of hydro system are you using?
dwc 5 gal

5. What brand/type of nutrients are you using?
Advanced grow a/b

6. What is the Ph of your nutrient solution?
5.6-5.8

7. What is the PPM/EC of your tap water?
140 ppm

8. What is the PPM/EC of your nutrient solution?
220ppm

9. What is the temperature of your nutrient solution?
68-72f

10. Does your PPM/EC show a rise or fall when you do your daily PPM check?

fall

11. Does your pH show a rise or fall when you do your daily check?
rise

12. Do you foliar feed or spray your plants with anything?
no

13. What kind of lights do you use and how many watts combined?
90w led ufo

14. How close are your lights to the plants?
5 inches

15. What size is your grow space in square feet?

3x3

16. What is the temperature and humidity in your grow space?

76-80f about 50%rh

17. Have you noticed any insect activity in your grow space?
no

18. How much experience do you have growing?

7th grow

Edited by phrostbyte (02/17/13 10:24 PM)

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Hawksresurrection

Registered: 12/04/08
Posts: 13,464

Re: Nute burn or n def maybe?

[Re: phrostbyte]
#659612 - 02/19/13 02:29 PM (12 years, 1 month ago)

I think that's magnesium deficiency man.

--------------------
Dude she isn't as young as she use to be.

-niteowl

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phrostbyte
Hydro Grower

Registered: 09/15/11
Posts: 475
Last seen: 8 years, 2 months

Re: Nute burn or n def maybe?

[Re: Hawksresurrection]
#659617 - 02/19/13 03:14 PM (12 years, 1 month ago)

TY man... Thinking it may have been from nute lockout due to ph being way to high for a few days.

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Hawksresurrection

Registered: 12/04/08
Posts: 13,464

Re: Nute burn or n def maybe?

[Re: phrostbyte]
#659625 - 02/19/13 04:24 PM (12 years, 1 month ago)

Possibly. Your in the time period grow wise that it starts to show up. Either add a couple teaspoons Epsom salt per gallon, or up your main nutrient depending on what the content read out it is.

--------------------
Dude she isn't as young as she use to be.

-niteowl

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Cannabis, Marijuana, Ganja & Greens > Cannabis Cultivation

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