10 Best Swimming Pool Stain Removers 2025 in the United States

The AquaDoc Pool & Hot Tub Stain and Scale Remover is a liquid formula designed to tackle a variety of common pool stains caused by metals like calcium, iron, copper, and manganese. It works well on multiple surface types, including vinyl, plaster, fiberglass, pebble, quartz, and painted finishes, making it a versatile choice whether you have a gunite or traditional pool. This remover not only targets visible rust and discoloration but also helps control scale buildup, supporting clearer water and healthier pool equipment.

One of the product’s strengths is its ease of use: it’s an easy-to-pour liquid that can be integrated into your regular pool maintenance routine without needing expert knowledge. This makes it especially appealing for pool owners who want effective stain control without complicated steps.

The one-gallon size is practical for multiple treatments or larger pools. Because it is a chemical treatment, users should handle it carefully and follow instructions to avoid damaging pool surfaces or surrounding areas. AquaDoc provides a dependable and user-friendly solution for managing metal stains and scale, particularly suited for pool owners looking for a straightforward product compatible with a wide range of pool surfaces.

Jack's Magic The Magenta Stuff (1 qt) (4 Pack) is a liquid swimming pool stain remover designed to tackle various types of stains and scale formation effectively. It is fast-acting and long-lasting, which makes it a handy solution for pool owners dealing with persistent stains and plaster dust. This product is compatible with multiple pool surfaces, providing flexibility for different pool types.

Each bottle in the 4-pack contains 32 fluid ounces, ensuring you have a substantial amount to treat your pool multiple times if necessary. Its ease of use, based on its liquid form, makes it simple to apply without any complicated procedures. The product claims to have a positive environmental impact, which is an added benefit for eco-conscious users.

This product is best suited for pool owners looking for an effective, easy-to-use solution to manage stains and scale in their pools, especially those who prefer eco-friendly options.

Jack's Magic The Purple Stuff is a liquid swimming pool stain remover specifically designed to work well in high salt and high Total Dissolved Solids (TDS) pools. It comes in a four-pack, with each quart effectively preventing stains and scale formation in your pool. One major advantage is its ability to reduce cell fouling in chlorine generators, making it ideal for those who use salt chlorine generators.

The liquid formulation allows for easier application compared to powders or gels and it is compatible with various pool surfaces, including plaster, concrete, and vinyl liners. Users have rated it highly with a 4.6 out of 5 stars, praising its effectiveness in maintaining clean and scale-free pools.

The product's ease of use is evident through its straightforward application process, making it accessible for pool owners of all experience levels. With its strong performance in preventing stains and scale, Jack's Magic The Purple Stuff is a solid choice for maintaining a clean and healthy pool environment.