blend the "unipine" 85, the glycol ether, and the surfactant together. with continuous agitation, add a solution of all of the phosphoric acid in all of the water slowly. continue agitation until a moderately to faintly translucent solution results. ful clarity will develop on standing. NOTE: the product may be used full strength on havey rust deposits. otherwise, it may be diluted as required for cleaning aluminum. surfaces.