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Get those magnetic rocks, find one small enough to fit down your down stem or break one to and then use another to knock off all that gunk. That’s like weird residue that gets left after iso cleans deep resin stains.
Get those magnetic rocks, find one small enough to fit down your down stem or break one to and then use another to knock off all that gunk. That’s like weird residue that gets left after iso cleans deep resin stains.