Pool metal stain removal the stain scale chemicals above are used to control or prevent metal staining and mineral scale and although they usually lighten existing pool stains they often struggle with stain removal.
Treating metal stains in pool.
Getting rid of metal stains in 5 easy steps 1.
Metal stains are caused by excessive metal ions in the pool water.
Regardless of the mechanism used all work by adding soluble heavy metal compounds usually copper or silver to the water.
Remove any pool cleaner before you begin and read all instructions.
When an atom or group of atoms gains or losses one or more electrons it becomes a charged particle called an ion.
Treat large stains by adding ascorbic acid to the pool water by sprinkling it evenly over the surface of the water.
Start by using a 1 2 pound of ascorbic acid per 10 000 gallons of water in the.
Add about a handful of ascorbic acid or crushed vitamin c directly to the stain scrub the ascorbic acid into the stain if the stain begins to fade away it s metal this may also work on rust stains too.
It is expensive but cheaper than draining your pool.
Lower the ph level to 7 2.
The only effective way to remove metal from your pool water is to drain it and then refill it with non metal containing water or to use the culator product i show here.
Be sure to follow the instructions on the product box regarding the method of application and how much you.
Culator has proven in a lab test to indeed trap metal ions.
Lower your ph level to 7 2 using muriatic acid if it s higher than that.
Add an algaecide to the pool water.
For yellow brown or reddish brown stains generally iron try the suncoast iron cobalt stain remover first.
Before adding ascorbic acid ensure that you take down the chlorine level.
Based treatment systems have been used in the pool industry for years primarily to control algae.
Before you try to clean metal stains from a pool or spa you need to identify the type of stain and what causes it.
Lower the free chlorine level to 0 0 ppm.