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Sick Plant Top of plant is clawing and yellow


Moglo
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Ocimene
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Hi everyone to me it looks like iron buy I have added extra cal mag.

The lights are at 80% and 20 inches away which makes me think it's not light burn.

  1. Any help would be much appreciated
    IMG 20210429 172149996 HDR
    IMG 20210429 172250046 HDR

     

Grow Medium
Soil
Grow Light
240 watt kingbrite w55 led
Temperature C/F : (Light on/off)
22.c
Humidity
45
Picture of Problem
IMG_20210429_172022100_HDR.jpg
Nutrients

Flora trio ghe

Feed Frequency
2/3 strength Evry 3days
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Macky
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(@macky)
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Posted by: @moglo

2/3 strength Evry 3days

This might be abit too much, but its best to ask ZN to be sure, he uses soil and will know what to do with the roots. 

I always like to recommend a foliar feed of epsom salts around this stage of growth. Helps keep the calcium and magnesium flowing properly. 

Have you been monitoring ph? And have you changed the amount you feed recently? 

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Moglo
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@macky thanks, any recommendations for foliar feed. 

pH has been between 6.2 and  6.8

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Macky
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@moglo Some Epsom salts mate, 1/3 teaspoon per litre, then spray the leaves top and bottom Smile

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Zombie Nation
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(@zn)
Limonene
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Are you waiting for the pots to dry out as this can be an effect of overwatering...same effects are seen with heat and overfeeding too. What soil are you in ?

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Moglo
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@zn it is in biobizz all mix and I am using autopots. I will turn them off for a few days. Thanks for the tip

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GreenGoblin
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Ocimene
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Looks like its been pushed a little hard in light. Is the LED light new to the plants? I often get a bit of weird growth going from cfl -> led until the plant gets used to them.

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Moglo
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@greengoblin you are correct I went from spiderfarmer sf100 and now they are under my 3500k 240w light in the big tent.

I hope that it is this

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GreenGoblin
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@moglo yeah they are probably adjusting, I recon in a few days they will be growing hard.

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Moglo
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@greengoblin I turned the autopots off to let them dry out also added a small heater to bring temp up to 25c and they look a lot happier

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galandil
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Linalool
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Posted by: @moglo

it is in biobizz all mix

As far as I know AllMix has already all the nutrients you need. I would just water them with pH'ed water for 1-2 weeks and see how they react. Let the soil dry. I use LightMix and water every 2-3 days, sometimes even 4 days. I wait till the girls "let me know" they need feeding. Also I would reduce the light intensity, either raising the light or reducing the power or both.

If you have the time and energy, I would try to change just one thing, trying to pin point what might be causing that issue. In general though, since I started letting the soil dry between feedings I've had much much better results.

Keep us posted

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