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weird shapes, brown spots - only 1 plant

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RNG
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Geraniol
Joined: 4 years ago

Hey i need more help guys .. Smile

Since 3 days i'm adding cal- mag, 0.4ml /L , next day bit more 0.5ml /L next day again 0.5ml/ L (today)

Biggest plant(left bottom corner) is way above rest as you can see and its making a lot problems, i don't know what i'm doing wrong, plant is looking great and sick at same time. i was able to make 1 good overall look photo, rest is edited. leafs are looking weird, they were as well to close to light, some stems are kind reddish. 

ph 6.0 

medium coco

because of fungus gnats i had to dry coco, so i wasn't watering them since yesterday morning till today morning. I didn't spot any fungus today yet. I killed around 10 in 2 days, 0 today 

IMG 20200808 170325   Copy

 

IMG 20200808 180459  01  01   Copy
IMG 20200808 180351  01   Copy
IMG 20200808 180340 01  01   Copy
IMG 20200808 180335  01   Copy
IMG 20200808 180330  01   Copy
IMG 20200808 180324  01   Copy
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Macky
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Alpha-Pinene
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When coco dries out, the EC of the medium spikes, this could be the cause of the issues mate. 

Its one of those things, leave it wet, and the gnats will love longer, dry it out and the plants will suffer. Keep the medium damp now and see if the gnats come back. 

Also a nice spray of epsom salts around this time does the plants good. 

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RNG
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Geraniol
Posts: 69

@macky I dried just today, generally it was weet 30 days. What do you think about those brown spots and shape is this normal? Should I feed this plant bit more? 

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monkeydo
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Looking at your pictures I’m in agreement with Macky. It looks like some salt burn around the edges there. Increasing nutes is probably the wrong way to go. I’d use the Epsom salts like recommended and on the next fertigation cycle I’d use 2 or 3 times your normal volume of feed to help flush the salts from the pots. You are not in any immediate danger of losing the harvest yet mate so don’t panic. 

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RNG
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Geraniol
Joined: 4 years ago

you are the best, very professional. thank you once again !

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