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Roots or some type of mold? Noticed these on the bottom of the fabric pots

Aldo90
Aldo90started grow question 2 years ago
Can someone shed some light on what this could be ?? I've noticed them on all the pots at the bottom on them, my initial thoughts were could it be the roots ? But then the nutcase in me, started overdrive and thought could it be something more sinister like mould.
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Sciolistic_Steve
Sciolistic_Steveanswered grow question 2 years ago
roots and mineral deposits.
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Sciolistic_Steve
Sciolistic_Steveanswered grow question 2 years ago
usually in fabric you only see that out the bottom. fabric has to stay moist enough or else they'd air-prune before that point. i'm sure 'some' strains could deviate from that. it's no concern. they'll air-prune outside the fabric pot just the same.
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