Fill the tub with hot water until the jets are covered
Add a whirlpool tub cleaner or 2 cups of white vinegar
Run the jets for 15 to 20 minutes
Drain the tub completely
Refill with clean water
Run the jets again for 10 to 15 minutes
Drain the tub again
Wipe the jet openings with a soft cloth or cotton swab
Remove and clean jet covers if they are detachable
Scrub buildup with a soft toothbrush and mild soap
Rinse all parts thoroughly
Dry the tub and jet openings with a clean towel
Repeat monthly or as needed