Fill the bathtub with warm water until the jets are covered
Add 2 cups of white vinegar or a jetted-tub cleaner
Run the jets for 15 to 20 minutes
Turn off the jets and drain the tub
Refill the tub with clean warm water
Run the jets again for 5 to 10 minutes
Drain the tub completely
Wipe the jet covers and tub surfaces with a soft cloth
Use a soft toothbrush to scrub around the jet openings
Remove any visible debris from the jets
Clean the jets monthly or as needed