What Is Trisodium Phosphate? A Toxic Cleaner Banned for Good
Trisodium phosphate (TSP) is a highly alkaline, synthetic inorganic salt—Na 3PO 4—once widely used in heavy-duty cleaners, deck brighteners, and paint-prep solutions for its unparalleled ability to saponify grease, suspend soil, and etch surfaces. However, it is not eco-cleaning. It…