FAQ: How To Remove Metal Stains From Pool?

How do I get rid of brown stains in my pool?

A good rule of thumb is to use half a pound of ascorbic acid per 10,000 gallons of water in the pool. If the stain was caused by metal, the scrubbing would remove or at least lighten the stain. If the stains are still visible, add more ascorbic acid. Repeat this process until the stains are gone.

What causes metal stains in pool?

Metal stains will commonly appear shortly after chlorine is added or after the swimming pool is shocked with granular chlorine. The two most common types of metal stains are iron and copper and are two of the most common metals that are tested when checking swimming pool water.

Can you put too much metal out in a pool?

Metals in the pool are not toxic and even very high levels in the pool are not a concern for swimmers. They also do little to interfere with water balance, although they are affected by it. The main problem is an aesthetic issue; metals and minerals can cloud the water or stain underwater surfaces.

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Why does my pool keep getting brown stains?

Swimming pool stains have many sources. Algae, metals, calcium buildup, and just plain dirt. If it’s not kept on top of, you can end up with stains like above in an otherwise clean pool. In this instance, brown pool stains can have one of a few causes: algae, metal, or dirt buildup.

How do you remove brown stains from a gunite pool?

You can try to find an ascorbic acid cleaner at a local pool store and use it to clean the stains, but it cannot be mixed with chlorine, so dechlorinated the pool, or empty and clean it. Always keep in mind there may be another cause to the stains, such as the plaster wearing off and exposing the gunite beneath.

Will pool shock remove stains?

The easiest stains to remove are organic stains. Shocking or super-chlorinating your pool is effective at getting rid of these types of stains. Metal pools stains can be more challenging to remove as they must be treated with chemicals. You can remove iron stains with ascorbic acid found at your local hardware store.

How do I remove stains from my pool liner?

If you need help getting rid of stubborn stains, you can try using a metal stain remover for vinyl liners and/ or a stain-removing tool. You can wipe the stain directly with a clean cloth or use a brush or another liner cleaning tool to get at hard to reach spots.

Will muriatic acid remove rust?

Strong acids will dissolve rust, but they will also dissolve paint, finishes, and sometimes even the metal itself. Hydrochloric acid (which is also called muriatic acid in its diluted form), as well as phosphoric acid and sulfuric acid may be used in rust removal formulas using strong acids.

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How do you remove metal stains from pool plaster?

Just rub a vitamin C tablet on the stain for a few seconds. If the stain lifts or lightens, then you have metals. If this does not work, you may have an algae or a bacteria that is more difficult to remove or “hydration”, which is water trapped beneath the pool surface.

Does metal free remove stains?

Metalfree​ is a highly effective metal chelating agent that protects against staining and discoloration from trace metals such as iron and copper. Metalfree​ does not raise phosphate levels in pool water like many other stain and scale products.

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