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Brown spots on my tiny babies

Snizzstarted grow question 5y ago

Hey, So it's been a week since I put my girls in soil.. today I saw tgese little brown spots.. what can it be? I havent fed them yet... Also, I started feeding them today with 1/4 of the amount adviced in my grow nut bottle, is it ok?

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Leaves. Color - Dark-brown

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