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What is this white fluff on my grow bag?

JiggleBudz
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 ๐Ÿ‘Œ
JiggleBudz
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Week 3
Other. Mold
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Hashy
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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