How To Protect Your Swimming Pool Liner

THE FOLLOWING CIRCUMSTANCES HAVE A DAMAGING EFFECT ON YOUR SWIMMING POOL LINER:

Improper Water Balance
 
Proper water balance ensures protection of your pool liner. Low pH, low total alkalinity and low calcium hardness will produce acidic and corrosive pool water (like vinegar). In contrast, high pH, high total alkalinity and high calcium hardness will produce basic and scaling pool water (think of barnacles on the bottom of a boat). The chart below shows you the specific effects of improper water balance on your pool liner.
  
Improper Calcium Hardness Levels
Maintaining the proper calcium hardness levels (175-225 ppm) protects your pool liner by keeping it soft and pliable. (It also contributes to sparkling pool water.)
  
 
 
CAUSE
EFFECT

pH Below 7.0

Liner Wrinkles
Free Chlorine Below 1.5 ppm
Liner Stains
Free Chlorine Consistently Above 3.0 ppm
Liner Wrinkles
Excessive Water Absorption
Out-of-Balance Total Alkalinity
Dry and Faded Liner
Water Absorption
Liner Wrinkles

Chlorine Stabilizer Below 50 ppm and
pH Less Than 7.0 and/or
Chlorine Higher Than 3.0 ppm
Liner Wrinkles
Large, Single Doses of Muriatic Acid
Liner Deterioration
Calcium Over 500 ppm
Liner Scaling
Metals
Liner Stains
Discolored Deposits When Reacting with Calcium
 

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POOL & PATIO CENTER, INC. 53 SANDY BOTTOM ROAD COVENTRY, RI 02816 (401) 823-7290