Mix 1/2 cup of TSP per 2 gallons of water for heavy-duty cleaning or 1/4 cup of TSP per 2 gallons of water for household cleaning. Make sure that the water is hot, as this allows the TSP to become soluble.

How do you mix liquid TSP?

General cleaning: Add 8 ounces of TSP per gallon of water. Use a clean sponge or cloth, squeeze out excess solution and wash surface from bottom up to prevent streaking. Heavy duty cleaning: Add 16 ounces of TSP per gallon of water. Use a nylon scrubbing brush or pad dipped in solution to scrub area.

Do you dilute TSP?

Diluted in water and applied often with a stiff scrub brush, it can remove stubborn grease stains and mold and mildew growth. In recent years, however, the popularity of TSP has waned. There are no complaints about its performance—TSP was and remains a highly effective cleaner.