Remove flux after soldering and you’ll prevent discoloring and oxidation that occurs with time. Stop dark spotty patina, oxidation crust, and dull finishes. Just squeeze on flux remover, wipe with a damp sponge, rinse, and dry thoroughly. Flux remover is very safe to use: non-toxic, non-abrasive, non-flammable and water soluble. Your patina finishes will be brighter and more consistent when you use this flux remover. Comes in 8 oz bottles.