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Inground Spas
LTR20111002, Rev. A
Clear Water Plan
www.calspas.com
37
Troubleshooting Water Clarity Problems
Problem Probable Causes Possible Solutions
Cloudy Water Dirty lter•
Excessive oils / organic mat-•
ter
Improper sanitization•
Suspended particles / organ-•
ic matter
Overused or old water•
Clean lter•
Shock spa with sanitizer•
Add sanitizer•
Adjust pH and/or alkalinity to recommended •
range
Run jet pump and clean lter•
Drain and rell the spa•
Water Odor Excessive organics in water•
Improper sanitization•
Low pH•
Shock spa with sanitizer•
Add sanitizer•
Adjust pH to recommended range•
Chlorine Odor Chloramine level too high•
Low pH•
Shock spa with sanitizer•
Adjust pH to recommended range•
Musty Odor Bacteria or algae growth• Shock spa with sanitizer – if problem is vis-•
ible or persistent, drain, clean and rell the
spa
Organic buildup /
scum ring around
spa
Buildup of oils and dirt• Wipe off scum with clean rag – if severe, •
drain the spa, use a spa surface and tile
cleaner to remove the scum and rell the spa
Algae Growth High pH•
Low sanitizer level•
Shock spa with sanitizer and adjust pH•
Shock spa with sanitizer and maintain sani-•
tizer level
Eye Irritation Low pH•
Low sanitizer level•
Adjust pH•
Shock spa with sanitizer and maintain sani-•
tizer level
Skin Irritation / Rash Unsanitary water•
Free chlorine level above 5 •
ppm
Shock spa with sanitizer and maintain sani-•
tizer level
Allow free chlorine level to drop below 5 ppm •
before spa use
Stains Total alkalinity and/or pH •
too low
High iron or copper in •
source water
Adjust total alkalinity and/or pH•
Use a stain and scale inhibitor•
Scale High calcium content in •
water – total alkalinity and
pH too high
Adjust total alkalinity and pH – if scale re-•
quires removal, drain the spa, scrub off the
scale, rell the spa and balance the water
Use a stain and scale inhibitor •