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Hot Tub Water Care Trouble Shooter

Problem

Probable Cause

Solutions

 

 

 

Cloudy Water

Dirty Filters

Clean filters with a filter cleaner

 

Excessive oils/organic matter

Shock spa with sanitizer

 

Improper sanitization

Add sanitizer

 

Suspended particles/organic matter

Adjust pH and/or alkalinity with pH+ or pH–

 

Overused or old water

Run jet pump(s) and clean filters with a filter cleaner

Water Odor

Excessive organics in water

Shock spa with sanitizer

 

Improper sanitization

Add sanitizer

 

Low pH

Adjust pH with pH+ to recommended range

Chlorine Odor

Chloramine level too high

Shock spa with sanitizer

 

Low pH

Adjust pH with pH+ to recommended range

Musty Odor

Bacteria or algae growth

Shock spa with sanitizer – if problem is visible or persistent, drain, clean and refill.

Organic Buildup / Scum

Ring around Spa

Algae Growth

Buildup of oils and dirt

Wipe off scum with clean rag – if severe, drain the spa and refill the spa

 

High pH

Shock spa with sanitizer, and adjust pH with pH- to recommended range

 

Low sanitizer level

Shock spa with sanitizer, and maintain sanitizer level

Eye Irritation

Low pH

Adjust pH with pH+

 

Low sanitizer level

Shock spa with sanitizer, and maintain sanitizer level

Skin Irritation / Rash

Unsanitary water

Shock spa with sanitizer, and maintain sanitizer level

 

Free chlorine level about 5 ppm

Allow free chlorine level to drop below 5 ppm before spa use

Stains

Total alkalinity and/or pH too low

Adjust total alkalinity and/or pH with pH+

 

High iron or copper in source water

Use a Stain & Scale product to inhibit metals

Scale

Total alkalinity and/or pH too high

Alkalinity and pH with pH- and alkalinity reducer. If scale requires removal, drain the spa, scrub off the scale, and refull the spa.   Add a stain & scale and balance the water using pH/alkalinity+ or pH/alkalinity–

 

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