Rendézvous® Spa Specialties™
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Chalky, White Scale Deposits

Possible Cause Solution Preventative Maintenance

Water out of balance

Check water balance with Rendézvous® Spa & Hot Tub Test Strips and adjust as necessary. 

Keep your spa water balanced by making sure it is within the following recommended ranges: pH 7.2-7.8, total alkalinity 80-120 ppm and calcium hardness 150-400 ppm.

High mineral content in water

Use Protect Plus (4 fl. oz. per 250 gallons). Check water balance and adjust as needed.

Use Protect Plus (1 fl. oz. per 250 gallons) weekly to prevent calcium scale formation.