HOPPES NO 9 FOAMING BORE SOLVENT 12OZ
HOPPES FOAMING BORE CLEANER
Quickly and effortlessly dissolves and removes copper and powder residue. Its superior cleaning formula does the work for you, no brushing or other mechanical cleaning necessary. Orange foam will turn blue indicating copper removal or black indicating powder removal.
- No Harsh Scrubbing. ??
- Colour Change Effectiveness Indicator.