White spots like mold on material grow pots weird

[K.puff&stuff]

Hi guys I have version grow pots. like smart pots but different name I guess. I notice that there was a white mold patch on the pot that was touching another pot both are growing ok no signs of mites you can wipe it of like some powder I don't know can anyone I identify it

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• K.puff&stuff
• Feb 24, 2018

 

[Itibitiguy]

Are these fabric pots? I had fabric pots touching and the roots started growing into each others pot

 

[Curly Beaver]

Probably just salt built up.

 

[K.puff&stuff]

Hi guys yea there fabric pots and it happens when they touch each other Salt interesting I did notice when you touch smell your figure it has a funny smell to it but it wipes off easy on the pots