* The MST128 BLITz clean up Neutraliser can be used after all weld cleaning solutions * With the built in pH indicator, this neutraliser is essential if you want to make sure that the acid residue has been completely removed * The neutraliser will lightly fizz and foam a yellow and green colour when it reacts with the acidic residue * Once the fizzing and foaming has ceased and the workpiece runs a deep purple, you will know that all of the acidic residue is completely nuetralised, simply wash off with water and wipe dry for a clean and neutral surface * Suitable to neutralise B-30, B-50, EKP-50 and Easykleen All Machine Solutions