What Causes Metal Stains In Pool

Nothing bothers pool owners more than those unsightly blotches and discolor ations on an otherwise unblemished pool surface.

What causes metal stains in pool.

If you have ever seen discolored water or pools with metal stains that s an obvious sign of metal content in your water. Any metal item that can rust also can stain your pool. Many lawn and garden fertilizers can contain high levels of iron copper manganese and other heavy metals. While copper is a common cause of pool stains the accumulation of other minerals can lead to staining as well.

Managing and preventing stains especially those from metal oxidation can be challenging. Make sure that such items are removed immediately upon being discovered. The brown stain might be caused by the ioniser that deposits iron metal in your pool you need to clear the stains using ascorbic acid then consider reducing iron metal levels in your pool by draining and refilling a portion of your pool water or use a metal remover such as proteam metal magic to remove metals through the filter and avoid brown stains when you shock your pool or when ph is low. Iron when oxidized turns brownish or orange in color.

Copper has more of a light green or even turquoise look to it when it gets oxidized. The metals that commonly cause pool stains are iron manganese copper. Copper is from ionizers and corrosion of copper and brass pipes. Iron is from well water corrosion of iron pipes and fittings and will result in rusty brown gray or greenish brown stains.

In the vast majority of pools metal staining comes from iron. Place 15 to 20 vitamin c tablets in a sock and crush them. Stains will be ugly and visible to anyone looking. Iron copper manganese can come out of solution if your pool water has high levels of metals.

Staining is caused by organic matter such as algae inorganic metals or water trapped beneath plaster surfaces. High or low ph can lead to metals coming out of solution to stain your pool. Heavy rains and flooding with mud or mulch entering the pool will also elevate metal levels. Iron is fairly common in well water but rare in municipal water.

Heavy doses of copper algaecide can lead to a blue green staining of pool liners. In addition to objects like bugs and leaves falling into your pool or algae turning the water green you can find metal stains along the walls of the pool. These typically produce only isolated rust stains where the metal object was laying on the surface and do not raise metal levels in the water. It could be a nail bobby pin or a pop can.

Maintaining proper ph in your pool is important to mineral stain prevention. For example calcium stains appear as white crystals or patches around plaster grout. If you suspect a stain is caused by iron try the vitamin c test.