What is this white fluff on my grow bag?

JiggleBudzstarted grow question 4y ago

I've noticed some white fluff on the side of my grow bag. I'm guessing it's some fungus, should I be concerned at this stage? Day 23 in material bags. Thanks in advance 👌

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Week 3

Other. Mold

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Hashyanswered grow question 4y ago

Most likely excess salt from the nutrients. Happens a lot. Sometimes can be mould but most the time its just salts

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