Pool Marvel product image
Directions for use:
  1. One capful (3.3oz) treats up to 20,000 US gallons of pool water per week.
  2. Mix the required amount in a bucket of pool water and disperse the mixture evenly around the pool.
  3. Monitor the filter pressure 2 hours after application of Pool Marvel.
  4. Repeat the application once per week during pool season.
  5. Double the dosage amount when closing and opening a pool for the season.
  6. Do NOT mix directly with other chemicals.
  7. Apply when water temperature is between 54-86 degrees Fahrenheit.
  8. Use sanitizer as required.

Not for use in stand-alone hot tubs or spas. No ingredients hazardous to humans, plants or animals as per CFR 1910.1 Made in Canada