DOT approved and specifically formulated to retard copper corrosion in the braking system, BrakeShot prevents sticking calipers, ailing master cylinders, and other ABS braking troubles brought about by corrosion and high copper levels in the brake system. To ascertain if BrakeShot can cure a contaminated system, use BrakeStrip (1 x Strip included) to determine the copper parts per million (ppm) in the brake fluid. BrakeStrip is a 60-second brake fluid test that turns shades of purple according to the level of copper in the braking system. If the strip indicates a copper level of between 50-175ppm, simply add the contents of a one-ounce bottle of BrakeShot to the master cylinder. After 50-100 miles of driving, BrakeShot will re-energize the corrosion inhibitors to protect all the metals in the entire brake system and prevent further corrosion. If, however, the test strip indicates 200ppm or greater, the brake system requires flushing and the fluid replaced. “Today most technicians know that corrosion in a brake system causes a wide range of problems. In the past shops waited until the copper content of brake fluid was high enough to cause problems (200 ppm), before they changed out the brake fluid. Today as soon as we see an indication of the presence of copper corrosion in the brake fluid, we can stop corrosion in its tracks and rejuvenate the additive package of brake fluid by adding a bottle of BrakeShot. BrakeShot extends hydraulic brake system life, reduces overall expense for the vehicle’s owner and provides more professional service. I believe in BrakeShot and will be using it in our training classes and brake repair services.” Ron Henningsen Owner, Undercar Specialists, Shoreview MN