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What grade of glycol is used in a vape and are they required by law to state what grade it is?
by LinuxBender 7y ago
What grade of glycol is used in a vape and are they required by law to state what grade it is?
- michitan 7y agoMainstream vendors use USP grade PG/VG and food grade flavouring (which can also include a small amount of PG or VG as a carrier)