Possible Cause High mineral content in water Solution Add 2 oz. of SPA DEFENDER per 800 gallons of water. Preventative Maintenance Use SPA DEFENDER as part of the 3-Day A Week Program.

Possible Cause Excessive organic contaminants     Check and adjust sanitizer level. Solution Shock water with RENEW or if using ozone, OZ TABS. Preventative Maintenance Shock water weekly to prevent build up of organic contaminants.  

Possible Cause Chloramines or excessive organic contaminants . pH or total alkalinity out of balance. Solution Shock water with RENEW or if using ozone, OZ tabs. Test and adjust pH and total alkalinity. Use SPA UP or SPA DOWN as necessary.   Preventative Maintenance Shock water weekly as part of the 3-Day

Some of the possible causes of hot tubs having excessive foam are: Buildup of body oils, cosmetics and detergents from bathers. Calcium hardness too low Large amount of total dissolved solids Possible Solutions: Add SPA FOAM DOWN. Shock with RENEW or OZ TABS. Add CALCIUM BOOSTER to obtain 150-400 ppm calcium level

Managing chemicals in a spa or hottub is a science. Be patient, test, retest until you get it right. Question:  Should I treat my spa water the same way as I treat my pool water? Answer: Although the pH and total alkalinity measurements are the same, the sanitizer level (bromine or chlorine)