What Causes Rust Stains in Swimming Pools?

December 22, 2020

Swimming pools provide the perfect place to get daily exercise, entertain friends and spend quality time with the whole family, but they have to be maintained regularly to keep them in the best condition possible. Unfortunately, rust stains in swimming pools are a common problem for pool owners, but the good news is that they don’t have to stick around forever. Understanding how rust stains are formed in swimming pools and getting some advice about rust stain removal can help you keep your pool looking great for years to come.

Causes of rust stains

Most pool owners are familiar with what rust stains look like—they’re typically dark red, orange or brown discoloration that sticks out like a sore thumb in a swimming pool filled with clear water. However, not all rust stains are caused by the same things. In fact, there are a lot of different things that can cause rust stains in swimming pools. Here are a few of the most common sources of swimming pool rust stains:

  • Concrete rust: Concrete rust is a common issue around swimming pools. The concrete decks around pools typically have rebar installed beneath the surface, and the rebar is susceptible to rust if it’s within an inch of the surface. Concrete rust can also be caused by rusting of iron materials in the concrete mix.
  • Rust from contact with metal items: If a metal item is accidentally thrown into the pool, it can quickly develop rust and cause staining in the pool. Oftentimes, these metal items go unnoticed after being dropped in the pool, and they begin to rust after a while.
  • Oxidization of iron in the water: Another common cause of rust stains in swimming pools is oxidization of iron in the water. To prevent this from happening, it’s a good idea to use an additive that’s designed to filter iron out of pool water.
  • Soluble and colloidal iron: Colloidal iron and soluble iron are both commonly found in swimming pools. These problems can usually be treated by adding chlorine and other chemicals to remove the iron from the water. Both types of iron can cause rust stains to develop in a swimming pool.

Removing rust stains

To remove rust stains from a pool, it’s best to use a dedicated rust stain removal product. These products are designed to effectively remove rust from a wide variety of surfaces, including surfaces in and around the pool. Purchasing a quality rust removal product is well worth the investment to get your pool looking great.

How to remove rust stains from a pool

If you’re dealing with rust stains in your swimming pool, Magica, Inc. Is here to help. Magica rust removal products can help remove rust stains from swimming pools to restore their appearance and get them looking like new again. With rust removal sprays and gels to choose from, our customers can find exactly what they need on our website. Check out our selection or contact us to learn more about our rust removal products and get started with your order.

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