Hot Tub Water Problems PDF Print

Problem

Cause

Solution

Cloudy Water
Insufficient Filtration
Check Filters, Power Supply, and Filtration Settings
 Organic Matter
Shock Dose or replace some of the water
 Insufficient Sanitiser
Test and correct sanitiser level as required
 High pH or TA Test and correct pH and TA as required
 Too Much Dissolved SolidsDrain and refill some or all of the water
   
Water Odour
Organic MatterShock Dose or replace some of the water
 Low SanitiserTest and correct sanitiser level as required
 Low pH
Test and correct pH as required
   
Musty Smell
Bacteria or Algae in water
Shock Dose or replace some of the water
 Organic MatterShock Dose or replace some of the water
 Too Much Dissolved SolidsDrain and refill some or all of the water
   
Scum on waterline
Not washing before use
Always shower and rinse before use
 Fake Tan
Do not use hot tubs if wearing fake tan
 Foam
Re-rinse bathing costumes after machine washing
   
Skin or Eye Irritation
Organic Matter Build-up
Shock Dose, Drain and refill some/all of the water
 Sanitiser is "combined"Shock Dose, Drain and refill some/all of the water
   
Erratic pH
Low TA Levels
Increase TA levels (consider adding Buffer)
   
pH Resists Change
High TA Levels

Decrease TA with "Slug Dose" of pH Reducer

(Add three capfuls of dry acid (6 heaped teaspoons) to a large plastic test tube already full of water. Shake/stir until dissolved. Turn off all pumps etc, place in middle of spa at elbow depth and empty avoiding disturbance to water. This is called a Slug Dose)

   
Only use this guide if you are an aware of how to safely do so, ensuring safety precautions are taken and suitable eye protection and clothing are worn at all times. Cotswold Hot Tubs accepts no liability whatsoever for circumstances arising from its use.
Last Updated on Tuesday, 07 July 2009 15:44
 

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