What type of pool stain do I have, and how do I get rid of it?

What type of pool stain do I have, and how do I get rid of it?

How to Identify and Remove Pool Stains

From Swim University

Pool stains, whether they appear on a Plaster Finish (for Concrete Pools), Vinyl Liner, or Fiberglass, can be a nuisance.  Most people don’t realize that they can virtually always identify the type and potentially the cause of the stain by the color of it.  This informational post from Matt Giovanisci of Swim University gives you a guide to diagnosing the type of stain by the color, tells you how to deal with the treatment of the stain, and gives you some ways to prevent stains from occurring in the first place.

Here is an excerpt from the post:

Stains are one of the most irritating detriments to their investment that a pool owner can endure. To address this problem, the source of the stain must be identified, and the appropriate solution introduced as soon as possible.

Pool stains generally fall into two categories:

Metal or rust-based: Metals can accidentally be introduced into pools from well water or corrosion from copper pipes.

Organic: Leaves, berries, and other organic debris can also leave stains if allowed to settle on pool surfaces.

The best way to distinguish metal from organic stains is by color. Different color combinations provide good indicators of exactly what substance is causing a given stain:

Click here to read the entire post