Chemical Problems

Basic Guide to Troubleshooting Pool Water Problems

Problem

Cause

Solution

Colored Water or Stains

Presence of Metals

Reddish-Brown = Iron

Blue-Green = Copper

Brown-Black = Manganese

  1. Adjust pH to 7.4-7.6
  2. Using a treatment of 1 qt. per 10,000 gallon of water, add Stain remover directly to the pool.
  3. Brush the stained area daily for 3 to 5 days.
  4. See your pool professional if the condition persists.

Green Water or Algae

Copper or algae is present

See treatment above or have your water samples tested by a pool professional.

Black spots

Manganese (metal)

Black algae

See treatment above

Skin/eye irritation

pH is out of proper range

Adjust pH to 7.4-7.6 by adding pH increaser or pH decreaser

Cloudy Water

Suspended particles

High pH

High Alkalinity

Poor Filtration

Low Sanitizer Level

Have water sample tested by your pool professional

Odors

Improper Water Balance

Chlorine Inefficiency

Shock treatment

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