Marquis Crown Summit Owner's Manual page 53

SPA CARE
No Sanitizer Reading
P: Sanitizer level is too low.
S: Shock and/or adjust sanitizer cartridge until the sanitizer registers in the recommended
range.
P: Test strip remains "white" even after sanitizer has been added.
S: Sanitizer level could be extremely high. It can bleach the reagents on the test strip and
give a false reading. Remove spa cover and activate jets and air control. Allow jets to
run for 30 minutes. Test water to see if desired level has been reached. Adjust sanitizer
cartridge to reduce bromine or chlorine level.
High Sanitizer Reading
P: Too much chlorine or bromine added or dispensed into the spa.
S: Remove spa cover and activate jets and air control. Allow jets to run for 30 minutes.
Test water to see if desired level has been reached. Adjust sanitizer cartridge to reduce
bromine or chlorine level.
Eye or Skin Irritation
P: Contaminants or excessive amount of chloramines/bromamines in water.
S: Treat water with Spa Shock. Adjust sanitizer level.
P: pH is low.
S: Adjust as needed.
Corrosion of Metal
P: Low pH.
S: Adjust pH with pH and Alkalinity Increase.
Green Water/Algae
P: Low sanitizer level or high pH.
S: Adjust pH, shock and/or adjust sanitizer cartridge as necessary.
Erratic pH
P: Alkalinity and/or calcium hardness are too low causing pH "bounce".
S: Test and adjust alkalinity and/or calcium hardness to bring them into the ideal range.
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