Water Chemistry Basics
temperatures or bright light. This may cause them to become less potent.
Allow anyone in the spa while adding chemicals.
Inhaling fumes or allowing
chemicals to come in contact with your eyes, nose or mouth is very dangerous.
Use swimming pool chemicals,
muratic acid or household bleach, or chlorine
tablets (trichlor) in your spa. It can be extremely corrosive. Damage caused by
use of tri-chlor is not covered under the manufacturer’s warranty.
Use a vacuum cleaner to clean up
chemical spills or allow spilled chemicals to
get on surrounding surfaces or landscaping.
Troubleshooting Water Chemistry
Problem
Could be Caused By
Could be Solved By
Cloudy Water
Dirty Filter
Replace Filter
Excessive Organic Matter
Add Sanitizer Shock
Improper Sanitization
Add Sanitizer
Suspended Organic
Matter
Add Shock, Run Jets
Old Water
Drain & Refill Spa
Water has Bad Smell OR
Users have Eye Irritation
Excessive Organic Matter
Add Shock
Improperly Sanitized
Add Sanitizer
Low pH
Adjust pH
Smells Musty
Bacteria Growth
Add Shock. If the
problem persists, perform
Spa Decontamination
Ring Around Spa
Build Up of Oil & Dirt
Wipe surface with cloth,
drain spa, refill spa.
Algae
High pH
Add Shock & Sanitizer
Low Sanitizer Level
Add Shock & Sanitizer
Skin Irritation or Rash
Improper Sanitation
Add Shock & Sanitizer
Free Chlorine too High
Allow Free Chlorine Level
to Drop
Stains on Surface
High Alkalinity or Low
pH
Adjust Alkalinity and pH
Accordingly
High Metal Content
Use Stain & Scale Reducer
Scale Build Up
High Calcium Levels
Adjust Alkalinity; Use
Stain & Scale Reducer
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