Funnel Glass Bowl is a simple male joint size bowl made of thick glass. The crystal clear glass allows you to see through herbs in the bowl.

How to clean Waxmaid 14mm funnel glass bowl?
1. Put the funnel glass bowl into a storage bag.
2. Pour the alcohol of 70% concentration or higher in the storage bag, together with some coarser salt.
3. Shake up the storage bag until the water changed to a dirty brown.

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