DescriptionHow to apply Spa Marvel Cleanser:
- Proceed to remove the hot tub filters.
- Pour one bottle of Spa Marvel Cleanser into the existing water (preferably warmer water)
- Turn on the jets and set them to high for at least 1 hour. After an hour set to low for 23 hours.
- Warning– Do not use the spa during the cleansing process.
- Repeat this process before every drain and refill.