Bright yellow to dark yellow mustard color.
Yellow stains in my pool.
May prefer shady spots of your pool.
For best results add 1 quart per 10 000 gallons on a weekly basis and you will never have metal stains in your pool.
Found under ladder treads behind pool lights and inside pool filter.
Unlike algae iron deposits resist scrubbing and take a lot of elbow grease to remove.
Where does yellow algae come from.
For more information download a copy of our complete pool care guide.
Iron can be introduced into a pool by well water or pipe corrosion somewhere in the pool system.
Our products are specifically formulated to identify and treat a variety of pool stains no matter the cause.
Your first clue to diagnosing a pool stain is to check out it s color.
Sprinkle approximately 1 2 bag of suncoast stop stains over the same area.
This requires protective equipment such as gloves goggles and protective clothing.
When there is too much of a mineral present in the water it can begin to stain the pool.
Identifying yellow algae in a swimming pool.
Rubbing large vitamin c tablets on the stain.
You can treat this with absorbic acid or any specialty chemicals suited for metal at your pool supply store and a good scrubbing.
If a yellow or reddish color occurs it is an indication that the stain is copper.
Placing a pip over the stain with the other end sticking up out of the water and pouring a dry acid down the pipe until it sits on the stain.
Pool mate metal out is an excellent general purpose sequestrant that helps protect plumbing and pool walls from rust stain and scale.
Clinging hiding blooms not free floating.
If the stains are of a metal nature you can quickly check by scrubbing a stain with a vitamin c tablet.
Hold the pip in place for at least one minute before slowly removing it.
It should be used for pool openings and closings and throughout the season.
Shades of yellow can be a sign of excessive iron.
If the stain fades or disappears you know you have a metal issue most often iron or copper buildup.