NOCO REMOVE+ Battery Cleaner & Acid DetectorThe E404 formula not only cleans the battery and terminals but will also help diagnose the health of the battery. The two-part formula begins as a yellow foam then turns pink in the presence of battery acid. Not only does this foam clean the battery, but the colour indications help to diagnose any cracks, leaks, fumes, etc. that are common in batteries as they age. The E404 Remove+ Battery Cleaner and Acid Detector features a specialized foaming agent which turns pink upon contact with battery acid. It instantly neutralizes, dissolves, and removes battery corrosion from battery terminals, cables, hold-downs, battery boxes and more. It is formulated to assure maximum current flow and reduce potential voltage leakage. Comes packaged in a 14-ounce aerosol can.Instantly neutralizes, dissolves and removes battery corrosion.Changes colour upon contact with acid.Ideal for battery terminals, cables, hold-downs and boxes.Restores maximum current flow and reduces potential voltage leakage.Packaged in a 14-ounce aerosol can.Turns pink on contact with acidFast actingProlongs battery lifeImproves starting power