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OfflineNIBRAL
Registered: 12/13/08
Posts: 4
Last seen: 8 years, 1 month
Hydroponic Deficiency
    #174108 - 01/01/09 09:15 PM (8 years, 1 month ago)
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Hydro Growers:
1. Are you growing from seed or clones?
Seeds

2. How old are your plants?
1 Month

3. How tall are your plants?
About 13-18 inches tall

4. What type of hydro system are you using?
Deep Water Culture

5. What brand/type of nutrients are you using?
BC Technaflora Recipe for Success

6. What is the Ph of your nutrient solution?
Anywhere from 5.5 to 5.8

7. What is the PPM/EC of your tap water?
I still need to find out

8. What is the PPM/EC of your nutrient solution?
No PPM meter
9. What is the temperature of your nutrient solution?
approx 70 - 75 f

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

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

12. Do you foliar feed or spray your plants with anything?
I spray them every 1-2 days, i was using a superthrive spray but i havent latley, maybe i should start using it again though because i hear alot of good things about it

13. What kind of lights do you use and how many watts combined?
Dual 70w HPS

14. How close are your lights to the plants?
12-16 inches away

16. What is the temperature and humidity in your grow space?
Around 75-85 f

I noticed the problem today, its only the lowest level of leaves that have a very dark discoloration. i have tried a self diagnosis and from my sources it may be a P def. IDK though i really wanted to ask someone who KNOWS.

And if it is a deficiency should i just add more of the nutrient which will have the certain mineral i need



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Offlinet0ad
ribbit ribbit


Registered: 09/28/08
Posts: 599
Loc: FL, USA
Last seen: 7 years, 3 months
Re: Hydroponic Deficiency [Re: NIBRAL]
    #174306 - 01/02/09 10:10 AM (8 years, 1 month ago)

i am in the same boat; mine have developed yellow/black bumble-bee like stripes on the leaves, the black being necrotic splotches on my oldest leaves first.

I am flushing, changing the solution & making a lighter nutrient mix.  I think mine are from nutrient lock out (high ec)


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OfflineNIBRAL
Registered: 12/13/08
Posts: 4
Last seen: 8 years, 1 month
Re: Hydroponic Deficiency [Re: t0ad]
    #174391 - 01/02/09 02:58 PM (8 years, 1 month ago)

OK, thanks for the response

I forgot to state that my nutrient level was pretty low and about %40 -50  of the roots were hanging in the air, so maybe this had something dodo with it,

i topped off the reservoir with premixed nutrient, should i have added just tap water because it was about 2 gallons low? because i heard that just the water evaporates and not the nute


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Offlinet0ad
ribbit ribbit


Registered: 09/28/08
Posts: 599
Loc: FL, USA
Last seen: 7 years, 3 months
Re: Hydroponic Deficiency [Re: NIBRAL]
    #174421 - 01/02/09 05:13 PM (8 years, 1 month ago)

Quote:

NIBRAL said:
OK, thanks for the response

I forgot to state that my nutrient level was pretty low and about %40 -50  of the roots were hanging in the air, so maybe this had something dodo with it,

i topped off the reservoir with premixed nutrient, should i have added just tap water because it was about 2 gallons low? because i heard that just the water evaporates and not the nute




i would venture to say that eventually the plant sucks up more water than the nutrient itself, which is why high concentrations are unnecessary---...  I just flushed/changed tubs myself, we'll see how this goes!


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Cannabis, Marijuana, Ganja & Greens >> Cannabis Cultivation

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