Using Trisodium Phosphate to Clean Tough Messes
TSP is typically sold in powder form as a mixture of 75% to 80% trisodium phosphate and 20% to 25% sodium carbonate. It should be stored in a secure, dry place to prevent clumping. ... Exterior cleaning: Power through accumulated layers of dirt, grease, grime, soot, and stains on exteriors—notably masonry (brick, stone, cement, and …