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jayloco

Deficient 'N' or 'K' or other ? help

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hi , i have some clear traces green on the upper leafs on my super lemon haze. what's the dificient or disease ?

I have fertilize only 1 times for now.

They are at 3 weeks vegetative, all mix soil. Under a 200w eco lamp. Temp 28°c and 70% humidity daytime and 23°c and 80% humidity nightime.

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Hello,

the nitrogen deficiency is manifested initially in the lower leaves,

and the image does not appear even a lack of potassium.

That said I just wanted to ask you how many liters are your pots?

good luck.

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what soil are you suing? feeding them already? how old are they?

Give us as many infos as possible on EC PH etc... will help to see if something is wrong ;)

Good luck man

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was it already in first message or you efited? or am i stoned? lolool

anyway thanks for the reply ^^

when you started the nutes, they already had those spots? they needed the nutes? i've tried all mix only once, was a little too strong couldn't feed properly, so finaly came back to Light mix for all my grows.

Good luck man

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it seems to me a slight lack of micro element, but I doubt that your plants have run out of nutrients in the soil.

Dust says well, you should give us some additional information, such as pH and EC of the soil.

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I don't control the ph of the soil but i have always watering with a water of 6.5 and the soil is normally at 6 for started so i guess he's now between 6 and 6.5. Maybe the next i should looking for using light mix soil.

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yes, I would say that light mix Biobizz, go more than good for the vegetative phase.

but back to your actual plants, the best advice I could give you, and try to irrigate with plain water to adjust pH, and see if there is any improvement in the next few days to follow.

good luck.

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haha sorry then if it was in first post eyes were glued ^^

Anyway PH is one of the most important thing in growing, you should get that fix soon ;) a little ph tester kit is cheap, a PH tester electronic is not exepensive neither for the health of our babies ;)

how often do you water?

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those plants look pretty young. I didn't think micronutrient deficiencies showed up untill after the 2 week of veg. I usely start my non feminized seeds with 30-10-10. Because of my high nitrogen content I usely don't have yellow between the veins.

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hi,

well, the yellow traces are still there, i have watered my plants 3 days ago with biogrow just 1ml per liter ph 6.5. and today the old leafs go down and start to be yellow. looks like a overwatering or deficit in nitrogen. what do you think ?

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I would say give her a good flush and let her dry out completely and then start your feeding regime. You might also want to drop your PH down closer to 6.0 during Veg. Can you post some more pics on how she is looking now ?

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ok i gonna do a flush. the ph of the soil is always stable at 6.5 and the same for the water.

It's more bad since yesterday. now the lower leaves start to be fully yellow and they have brown spots now.

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Hmm realy look like overwater.6L pots 3 weeks veg. bit small them pots. Your PH should be 6.0-6.2(may try 5.8) in veg to take more nitrogen and Iron. Iron/Nitrogen is lock over 6.5ph(6.5 and 7.0 Late flower). Dry pots out for 5 or 6 days. then gently give them Nitrogen/water PH 6.0-6.2. give a HALF DOSE of nutrient- recommended on the bottle. Good Luck!

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