Poolside by CGT Vinyl Pool Technical Manual
What Causes Stains or Algae on Vinyl Pool Liners?
Understanding pool liner stains and algae growth helps pool owners identify problems and apply the correct treatment. Poolside by CGT identifies stains and algae as common issues that can be minimized through proper maintenance and balanced water chemistry.
Organic Stains
Organic debris such as leaves and insects may leave brown stains on vinyl liners.
These stains often respond to chlorine treatment.
Metal Stains
Metals such as iron, copper, and manganese can cause staining.
One diagnostic method involves applying vitamin C tablets (ascorbic acid) to the stained area. If the stain lightens, it may indicate metal staining.
Algae Stains
Algae can appear when sanitizer levels drop too low. Black algae can be particularly difficult to remove.
Green Algae
Mustard Algae
Black Algae
FAQ
What causes brown stains on vinyl pool liners?
Brown stains are often caused by leaves, insects, or other organic debris that remains on the liner surface.
How can you tell if a pool stain is metal?
Applying a vitamin C tablet to the stain can help identify metal stains because ascorbic acid may lighten the discoloration.
Table of Contents
Vinyl Pool Liners: Benefits, Technology, and Pool Liner Specifications
What Is the Ideal Pool Water Chemistry for Vinyl Pool Liners?
Swimming Pool Sanitizers: Chlorine, Bromine, and Biguanide
Pool Stabilizer, Saltwater Pools, and Algaecides
Why Is My Pool Water Cloudy? Clarifiers, Flocculants, and Enzymes Explained
How Do You Clean and Maintain a Vinyl Pool Liner Safely?
What Temperature Is Too Hot for a Vinyl Pool Liner?
Vinyl Pool Liner Storage and Handling Before Installation
Common Vinyl Pool Liner Problems: Wrinkles, Fading, and Staining
What Causes Stains or Algae on Vinyl Pool Liners?
Pool Equipment for Vinyl Liner Pools: Salt Systems, Covers, and Cleaners
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