Spartan Defoamer - Gal. , 4/cs #3024 Stable, white emulsion eliminates foam in recovery tanks of hot and cold water soil extractors, automatic shampooing equipment and floor scrubbers. Dilution: Straight; Will not harm equipment. pH 9.4; Non-corrosive. Phosphate free. Time and labor saver, Defoamer assists efficient recover and continuous equipment use.