what can you put on brass to keep it from tarnishing
Cover brass fixtures in lacquer if your want a more permanent solution to prevent brass from tarnishing. Test a spray lacquer on a piece of scrap metal to make sure it sprays clear, and then spray it on exterior brass fixtures.arnishing is a natural process for many metals that occurs due to exposure to sunlight and other elements. If you want to stop brass from tarnishing, keep the brass out of the elements or coat the brass.