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Common problems with the spa water
Problem
Cloudy water
Smell of
the water
Chlorine
in the air
Yellow water
Mouldy smell
Cause
•Insufficient filtration /
dirty filter
•Too much oil /
organic material
•Unsuitable cleaning method /
bacteria
•High pH value and/or high
alkalinity
•Floating particles /
organic material
•High content of dissolved
materials
•To many organic materials
or too much chloramines;
insufficient cleaning agent
available.
•Unsuitable cleaning method
•Insufficient filtration
•Low pH value
•To many chloramines;
insufficient cleaning agent
available.
•Low pH value
•Low pH value
•Bacteria or algae growth
Solution
• Check whether the filter is working properly; clean the
filter with a special filter cleaner or degreaser.
•Give the water a shock treatment with a chlorine-based
cleaning agent or with another product.
•Bring the water quality back in balance by increasing the
quantity of cleaning agents. Use shock treatment if necessary
•Adjust the pH value; add a suitable sodium bisulphate
product.
•Use a clarifier. Note: you must not use any polymer-based
clarifiers together with the ozone generator and CleanZone™.
•Depending on the circumstance, half empty the spa and refill,
or clean the spa and replace the water.
•Give the water a shock treatment with a chlorine-based
cleaning agent or with another product.
•Bring the water quality back in balance by increasing the
quantity of cleaning agents. Use shock treatment if necessary
• Check whether the filter is working properly; clean the filter
with a special filter cleaner or degreaser.
•Increase the pH value with a sodium bicarbonate product.
Add a chelate if metals are present.
•Give the water a shock treatment with a chlorine-based
cleaning agent or with chlorine-free shock treatment product.
•Adjust the pH level; increase the pH value with a sodium
bicarbonate product.
•Adjust the pH level; increase the pH value with a sodium
bicarbonate product.
•Give the water a shock treatment with a chlorine-based
cleaning agent or similar product for shock treatment.
If the problem is visible, clean the spa, change the water and
balance.
Common problems with the spa water