Yellow Stains In Gunite Pool

Stain causes and prevention stains in the plaster of concrete built swimming pools grow due to minerals in the water which react due to the chemical reactions of the concrete meeting the pool water for the first time.

Yellow stains in gunite pool.

Unlike algae iron deposits resist scrubbing and take a lot of elbow grease to remove. Whether it is inground or above ground our products are specifically formulated to identify and treat a variety of pool stains no matter the cause. Sold under many names such as mustard buster or yellow out or yellow treat these chemicals are added to the pool at the same time as the shock after balancing the water. If you have yellow algae brush it and with prope.

It should be used for pool openings and closings and throughout the season. The most common blemish however is usually fading caused by sun damage and tears caused by equipment or debris in the pool. Pool stains on the wall or floor of a swimming pool can be caused by metals in the pool water or by an organic material left in the pool. Gunite pools are overlaid with waterproof plaster.

Pool mate metal out is an excellent general purpose sequestrant that helps protect plumbing and pool walls from rust stain and scale. Your first clue to diagnosing a pool stain is to check out it s color. I show examples in a pool of yellow algae and some stains on the pool plaster that looks like yellow algae. Shades of yellow can be a sign of excessive iron.

Vinyl is more resilient when it comes to staining but it s not immune. Vinyl is another pool finish that causes trouble. For best results add 1 quart per 10 000 gallons on a weekly basis and you will never have metal stains in your pool. As mentioned above in our experience most pools with yellow algae blooms also test positive for phosphates or nitrates in the water.

However by following these instructions you might be able to eliminate them. Over 40 years of expertise has given us the knowledge to handle any pool stain situation. Sometimes it can be fairly easy to get rid of stains but other times those hard to remove spots can take a bit more than a simple scrub. Use a phosphate remover chemical.