What can I use to get stains out of a plaster pool?
Very effective at plaster pool spot removal, but slow for large stained areas. Localized stains can be removed with a gallon of Acid Magic and a piece of PVC Pipe. Pour a few cups of Acid Magic (or use dry acid, aka pH Reducer) into a length of 1.5″ PVC pipe that you hold over a small spot on a plaster surface.
Why is there a brown stain on the bottom of my Pool?
Organic Stains: A greenish-brown colored pool stain is generally something organic, such as tannins leaching from leaves, acorns or mud sitting in the bottom of the pool. Algae, worms or other animals can also leave an ugly stain on your pool surface.
What causes a black spot on a piece of wood?
Iron oxide stains in wood are usually dark spots caused by prolonged exposure to water and / or metal. The iron oxide reacts with the tannins in the wood and stains it black.
Are there any stains on the concrete Under my Pool?
When plaster becomes very thin, you may see the concrete beneath begin to show through in spots, this is not staining either. The stain colors that most people worry about are red, gray, blue, green, etc.. Most of these plaster pool stains are topical, or in the top millimeter of plaster, and can be removed with a little effort.
What causes black spots on vinyl pool liner?
Organic stains come from dead algae, or other small animals, or from the tannins contained in leaves and plant debris. Organic stains can stain a range of colors from yellow to brown to black. These stains normally occur after a long winter or after a big thunderstorm.
Very effective at plaster pool spot removal, but slow for large stained areas. Localized stains can be removed with a gallon of Acid Magic and a piece of PVC Pipe. Pour a few cups of Acid Magic (or use dry acid, aka pH Reducer) into a length of 1.5″ PVC pipe that you hold over a small spot on a plaster surface.
Why are there stains on the bottom of my Pool?
These stains normally occur after a long winter or after a big thunderstorm. Organic chemicals respond to chlorine applied directly on the surface. Sometimes just shocking the pool will lighten or remove organic pool staining. Place a chlorine tablet on a stained area for just a few minutes.
What kind of stains can you find on a pool liner?
Calcium or sodium salts can leave whitish deposits on your pool liner. For stains on a horizontal surface, you can test the surface for mineral staining by using a small amount of acid on the stain.
