69
Problem Probable Causes Possible Solutions
Organic Buildup/ Scum Ring
Around Spa
• Buildup of oils and dirt • Wipe o scum with clean rag
- if severe, drain the spa, use a
spa surface and tile cleaner to
remove the s cum and refill the
spa
Algae Growth
• High pH
• Low sanitizer level
• Shock spa with sanitizer if
problem is visible or persistent,
drain, clean and refill the spa
Eye Irritation
• Low pH
• Low sanitizer level
• Adjust pH
• Shock spa with sanitizer and
maintain sanitizer level
Skin Irritation/ Rash
• Unsanitary water
• Free chlorine level above 5ppm
• Shock spa with sanitizer and
maintain sanitizer level
• Allow free chlorine level to drop
below 5 ppm before spa use
Stains
• Total alkalinity and/or pH is 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 requires removal, drain
the spa, scrub o the scale, refill
the spa and balance water
• Use a stain and scale inhibitor