MAAX Spas Performance 400 Série Guide De L'utilisateur page 34

Problem Usual Cause
Foaming/ Scum - Build up of body oils,
Ring Around lotion and chemicals
the tub resulting from soap or
detergent
Algae - pH Imbalance
- Low free chlorine or
bromine
Eye Irritation
- Low pH - Insufficient
free available chlorine
Skin Irritation/ - Unsanitary/polluted
Rash
water - Soaking too
long - Chemicals not
balanced, excessive
ozone
Scale - Too much calcium dis-
solved in water pH and
total alkalinity too high
Erratic pH Test - Sanitizer level too high
Results/Unusual
- Old pH indicator dye
pH Test Color
Sanitizer - Excessive organics in
Dissipating water
Too Rapidly
- Temperature too high
- Low pH
- Low pH corrodion of
metal fixtures
- Low calcium hardness
- Low total alkalinity
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Solution
- Skim foam off using your leaf net or, drain
and refill
- Adjust pH
- Shock with a chlorine of bromine
- Raise pH with sodium bicarbonate product
- Shock with a chlorine sanitizer/shock or other
shock treatment product
- Keep recommended sanitizer residual at all
times; superchlorinate or use a non-chlorine
shock treatment - Soak for smaller intervals, such
as 15 minutes - Correct chemical imbalance
- Add a scale control product. Adjust total
alkalinity and pH levels by adding the appropriate
sodium bisulfate product; for concentrated scale
deposits - Drain spa, scrub the scale off, refill the
spa and balance the water
- Test the pH, when the sanitizer level is below
5 ppm - Replace the pH indicator dye
- Increase shock dosage; add sanitizer; shower
before entering spa - Reduce temperature
- Raise pH with sodium bicarbonate product
- Use chelating agent if metals are present
Keep proper pH level (7.2 to 7.6) - Use chelating
agent if metals are present. Maintain minimum
150-200 ppm calcium hardness - Use chelating
agent if metals are present. Maintain proper
alkalinity for type of sanitizer used.
MAAX SPAS PERFORMANCE SERIES