Rendézvous® Spa Specialties™
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Pitting of Metal Fixtures or Plaster Spa Surfaces

Possible Cause Solution Preventative Maintenance

pH and/or total alkalinity too low

Adjust total alkalinity and pH balance of water with Spa Increase and Alkalinity Up.

Test and adjust as necessary to maintain total alkalinity level of 80 - 120 ppm and pH level of 7.2 - 7.8. When the spa is refilled with fresh water, add pH Magic® water balancer (3 lbs. per 500 gallons) to lock in the correct pH level.