P
AGE 19
SYMPTOM
PROBABLE CAUSE
SOLUTIONS
Algae
High pH
Shock with “POTASSIUM PEROXY
MONOSULFATE”; adjust pH.
Low free chlorine/bromine
Shock with “POTASSIUM PEROXY
MONOSULFATE”; maintain sanitizer at
recommended level
E
ye Irritation
Low pH
Raise pH with “PH-UP”.
Insufficient free available
Shock with “POTASSIUM PEROXY
chlorine/bromine
MONOSULFATE”.
Skin Irritation/
Rash
Unsanitary/polluted water
Maintain recommended sanitizer residual at
all times; super-chlorinate.
Chlorine/bromine level too high
Allow chlorine/bromine level to drop below
(above 5ppm FAC)
5 ppm before using spa.
Stains
pH or total alkalinity too low
Adjust pH and total alkalinity; use
sequestering agent; drain and clean with
appropriate product.
High iron or copper in water source
Use sequestering agent for metals;
adjust water
Scale
T
oo much calcium dissolved
Adjust total alkalinity and pH levels by
in water-pH
adding the appropriate sodium bisulfate
product; with concentrated scale deposits,
drain the spa, clean the liner as outlined in
Liner Clean Up), refill the spa and balance
the water.
