Non food grade glazes

Shoshin

Sapling
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Is there any info out there regarding glazes for pots and if non food grade is ok for bonsai?
 

sorce

Nonsense Rascal
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Some glazes that are considered unsafe for food are for reasons that go beyond chemical content, mostly "speciality" glazes that may not be frost proof, or otherwise durable enough for bonsai use.

Sorce
 
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