Never use hydrofluoric acid on the outside of bottles. It is used in industry to etch glass and it will eat into
even the tiniest scratches on your bottle and make it look frosty. It only works well on bottle insides.
Never use hydrofluoric acid on the outside of bottles. It is used in industry to etch glass and it will eat into
even the tiniest scratches on your bottle and make it look frosty. It only works well on bottle insides.