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Common Water Problems
Problem Cause Solution
Cloudy Water •Inadequate filtration/dirty filter •Check to make sure the filter is running
properly; clean filter with a filter cleaner
or degreaser.
•Excessive oils/organic matter •Shock the spa with a chlorine or
bromine sanitizer, or other shock
treatment product.
•Improper sanitation/bacteria •Increase sanitizer level to balance water
and shock if needed.
•High pH and/or high alkalinity •Adjust pH; add appropriate sodium
bisulfate product.
•Suspended particles/organic matter •Use clarifier.
Note: If using an ozone generator or
CleanZone™, consult your dealer before
using polymer based clarifiers.
•High total dissolved solids (TDS) •Depending on the severity, drain the spa
to half and refill, or drain the spa
completely, clean and refill.
Water Odor •Excessive organics or chloramines; •Shock the spa with a chlorine or
insufficient free available sanitizer bromine sanitizer/shock, or other shock
treatment product.
•Improper sanitation •Increase sanitizer level to balance water;
shock if needed.
•Inadequate filtration •Check to make sure the filter is running
properly; clean filter with a filter cleaner
or degreaser.
•Low pH •Raise pH with sodium bicarbonate
product. If metals are present, add
chelating agent.
Chlorine Odor •Too many chloramines/ •Shock the spa with a chlorine
insufficient free sanitizer/shock, or non-chlorine shock
available chlorine treatment.
•Low pH •Adjust pH; raise pH with sodium
bicarbonate product.
Bromine Odor/ •Low pH •Adjust pH; raise pH with sodium
Yellow Water bicarbonate product.
Musty Odor •Bacterial or algae growth •Shock spa with a chlorine or bromine
sanitizer/shock, or equivalent shock
treatment product. If problem is visible,
drain, clean, refill and balance spa.
Foaming/Scum •Build up of body oils, lotion and •Skim foam off using your leaf net or,
Ring Around the chemicals resulting from soap or drain and refill.
Tub detergent
Algae •pH Imbalance •Adjust pH
•Low free chlorine or bromine •Shock with a chlorine or bromine