SYMPTOM

PROBABLE CAUSE

SOLUTIONS

AlgaeHigh pHShock with “POTASSIUM PEROXY

 

 

MONOSULFATE”; adjust pH.

 

Low free chlorine/bromine

Shock with “POTASSIUM PEROXY

 

 

MONOSULFATE”; maintain sanitizer at

 

 

recommended level
Eye Irritation

Low pH

Raise pH with “PH-UP”.

 

Insufficient free available

Shock with “POTASSIUM PEROXY

 

chlorine/bromine

MONOSULFATE”.

Skin Irritation/RashUnsanitary/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.
StainspH or total alkalinity too lowAdjust 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
ScaleToo 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.

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