10622 TSP CLEANER 4.5lb | A non-sudsing powdered trisodium phosphate compound that is formulated for heavy-duty cleaning. Preferred by painting and cleaning professionals for removing heavy deposits of greasy grime, smoke, soot stains and chalked paint from walls, woodwork and floors. Removes mildew and mildew stains when mixed with bleach. Also recommended for washing away paint remover sludge.