Page 16 ACE Salt Water Sanitizing System
• MPS use. Granular MPS (Potassium Peroxymonosulfate) can be used
in place of sodium dichlor to establish a sanitizer residual at start-up, and
for shocking the spa at each 30-day check up. Use FreshWater MPS test
strips to measure MPS levels in the spa water.
• Mixed Oxidants. To clean the water, the ACE salt water sanitizing system
generates a variety of mixed oxidants, in addition to chlorine. The chlorine
reading on the test strip may not be indicative of total oxidizer level.
• Ozone. The ACE salt water sanitizing system is safe to use with ozone;
however, except for high use situations, it is not recommended.
• Calcium & Metal Treatment:
Use the Vanishing Act calcium remover to
keep total hardness levels low and minimize the need for anti-scalant &
metal control. If metals are an issue, use the Clean Screen Pre-filter and
follow your dealer recommended treatment program. Excessive use of
phosphate anti-scalant will promote high phosphate levels & will be difficult
to remove scale.
• Phosphates. High levels of phosphates (above 300 ppb) may cause
reduced sanitizer output, ask your local Hot Spring
®
dealer to help you test for
phosphates.
• Summer Timer.
The Summer Timer will decrease the chlorine generation time
of the ACE system. If the spa’s Summer Timer is activated, the Use Level will
most likely need to be increased to compensate. If chlorine level is low, adjust
Use Level up by one each day until 3-5 ppm is maintained. If Use Level is 5,
increase the Spa Size to generate more chlorine.
• Avoiding salt buildup. Periodically hose off your spa and the deck or concrete
surrounding your spa after use to prevent salt buildup that can occur from splash-out.
Troubleshooting
• Flashing On/Ready Light and Water Care Icon:
◦ Attention is needed. Access the ACE system menus on the main control
panel to read the System Status Message (pg. 8 & 14).
• The water is cloudy:
◦ Use a 5-way FreshWater test strip. If chlorine is low, manually add
granular dichlor as needed, or initiate a chlorine Boost.
◦ Check filters and clean as needed (see your spa’s Owner’s Manual).
◦ Use a 5-way FreshWater
®
test strip to check spa pH level. Add pH down
as needed.
• Low Sanitizer level:
◦ Check settings. Your use level may require you to increase the
setting to a higher number. If use level is at 5, increasing spa size will
generate more sanitizer.
◦ Install a ozone unit if the ACE system is running at capacity. Increase salt
until the Salt Level display reads 75% within the green section.
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