Fill the tub with hot 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 water
Run the jets again for 10 minutes
Drain the tub completely
Wipe the tub surface with a soft cloth
Clean the jet nozzles with a toothbrush or cotton swab
Remove and clean any visible debris from the jets
Repeat monthly or as needed