Inhaling sulfor hexafluoride has the opposite effect in your voice of inhaling helium via /r/videos https://t.co/bS8McGzilE

Inhaling sulfor hexafluoride has the opposite effect in your voice of inhaling helium via /r/videos https://t.co/bS8McGzilE

— Gilbert Lovato (@kramroofinginc) November 25, 2018

from Twitter https://twitter.com/kramroofinginc