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How to Identify and Remove Pool Stains

Updated: Sep 13, 2020

So, you are enjoying your beautiful pool oasis in lovely Charlotte area and then, oh no - Bam! You see something not so pretty.

You look closely and notice that your pool surface might be stained. When the surface of your pool develops stains, it can ruin the look and bum you out! Stains make can your swimming pool less welcoming. So, what causes these pool stains or spots? And, more importantly, how do we get rid of them?


Pool stains are typically metallic or organic and they come in a wide range of colors. Have you noticed a greenish-brownish stain? Is it more bluish-red? Pool stains come in a myriad of colors, but regardless of the shade, none of them are pretty. So, how do we identify the specific type of pool stain? The Pink Flamingo Pool Pros are here to give you some tips on how to identify common pool stains.


Organic Stains - These types of stains come from natural things common to the Charlotte area like leaves, berries, algae, worms, and dead animals (yuck!). When you don’t remove these things quickly and clean your pool regularly, these items sink down to the bottom of your pool and begin to decompose. Organic stains are normally green, brown, or bluish-purple. Luckily, they are not very difficult to remove. So, if you think you have identified an organic stain, applying a small amount of chlorine directly to it should dissolve it enough to be removed with a soft-headed brush.

  • Stubborn Organic Stains - If that stain is not budging, try a shock treatment with enzymes. Then use a hard brush to remove the stains. This will quickly rid your pool of greenish spots, and using an enzyme-based cleaner can often eliminate organic stains before you even scrub. Natural enzymes help break down organic compounds and oils by accelerating chemical reactions. You’ll still want to scrub thoroughly to remove any remaining residues and oils. You can also shock the pool with chlorine, testing the water to make sure the pH and alkalinity levels are correct.

Metallic Stains - These types of stains ingrain into your pool’s surface from corroded copper pipes, a water well, or a rusting ladder. The types of metals most likely to stain a pool include rust, manganese, iron, and copper. Copper causes blue, green, teal, black, or dark purple blotches. Iron leaves rusty brown, gray, or greenish-brown spots. Manganese creates pink or dark brown spots, and calcium manifests as white crystals. The best way solution for metallic stains is to prevent them by maintaining proper pH and scrubbing the pool proactively. If you do have these stains though, they can be removed with muriatic acid and a brush or the circulation of ascorbic acid through the pool water for 30 minutes.


If you need some help with a pesky stain or with regular pool cleaning maintenance, call the Pink Flamingo Pool Company Pros. You can trust us to remove that unsightly stain and clean your pool to make it sparkling! Trust Pink Flamingo Pool Company to service your pool and spa cleaning needs.


We are currently providing pool cleaning service to Charlotte, Fort Mill, Tega Cay, Matthews, Weddington, Indian Trail, Waxhaw, Lake Wylie, Clover, Rock Hill, University Area, Ballantyne, Southpark, Mount Holly, Belmont, Indian Land, and Pineville. We offer 100% customer satisfaction.


Call Pink Flamingo Pool Company at 704-957-0038 Now. We are open weekends too!



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