Plants in Veg have problem please help!!!

growing in soil humuss perlite,
giving only tap water, veg week 5 , lower leaves yellowing too,
can it be water problem? i dont have ph meter so yes
they are i 4l pots, transplanting them after few days in bigger pots, looks like nutritien defiency but soil is full of vitamins and minerals
 

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Salty88

Member
I'm currently trying to solve same issue. Mine is a hair more advanced than yours (bigger splotches). If I find anything I'll come back.
 

Hobbes

Well-Known Member
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I'm going to put my money on magnesium deficiency - necrosis in the inter veins while the veins are staying dark.

Did it start in the lower leaves, then working up?

.
 

Salty88

Member
Mine appears to be, I just came off a couple week flush (3 flushes total) so, i'm assuming I've just cleared out all my nutrients and am starting back at square one.
 
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I'm going to put my money on magnesium deficiency - necrosis in the inter veins while the veins are staying dark.

Did it start in the lower leaves, then working up?

.
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brown spots are only on some couple of leaves, one plant have 1-2 leaves with brown spots

Yellowing is comming from bottom botoom leaves are yellowing like lime yellow
 
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