What to Do When Your Pool Has Pool Stains

What to Do When Your Pool Has Pool Stains

What to Do When Your Pool Has Pool Stains


Pool stains are an unwelcome sight for any pool owner. Those unsightly spots can mar the beauty of your pool and make you hesitant to take a dip. But fear not! Whether you're dealing with organic stains, mineral stains, or metallic stains, there are effective ways to restore your pool to its former glory.

In this comprehensive guide, we'll walk you through the types of pool stains, how to identify them, and most importantly, how to get rid of them. And if you're in Ocoee, FL, and need professional assistance, don't hesitate to contact Pure & Simple Pool Care for top-notch pool service.


Understanding Pool Stains

Pool stains can originate from various sources, making it essential to identify the type of stain you're dealing with before attempting to remove it. Here's a breakdown of the most common types of pool stains:

Organic Stains

Causes: Organic stains are typically caused by leaves, algae, insects, and other natural debris that find their way into your pool. These stains are usually green, brown, or blue-green in color.

Identification: Organic stains are usually found on the pool floor or walls and are often irregular in shape. They can be scrubbed off with some effort but may return if the source of the stain isn't addressed.

Mineral Stains

Causes: Mineral stains occur due to metals like copper, iron, or manganese present in the water. These stains can be a result of metal objects left in the pool, high levels of metals in your water source, or improper use of pool chemicals.

Identification: Mineral stains often appear as blue, green, brown, or rust-colored spots. They can be stubborn and may require specific treatments to remove.

Metallic Stains

Causes: Metallic stains are similar to mineral stains and are caused by metals in the water or from pool equipment. These stains often result from corroded metal parts or the use of metal-based algaecides.

Identification: Metallic stains can vary in color but are usually dark and can form streaks or patches on the pool surface.

How to Remove Pool Stains

Now that you know the type of stain you're dealing with, let's explore the methods to remove them effectively.

Step 1: Identify the Stain Type

Before applying any treatment, it's crucial to identify the stain type accurately. This ensures that you use the right cleaning method and avoid causing further damage to your pool.

Step 2: Test the Water

Test your pool water for pH, calcium hardness, and metal levels. Imbalanced water chemistry can contribute to stain formation. Adjust the water chemistry as needed to prevent future staining.

Step 3: Organic Stain Removal

  1. Brush the Stain: Use a pool brush to scrub the stained area vigorously. This can help remove surface stains and loosen debris.
  2. Shock the Pool: Apply a heavy dose of chlorine shock to the pool. This oxidizes organic matter, breaking down the stain. Follow the manufacturer's instructions for the correct dosage.
  3. Apply Stain Remover: If the stain persists, use a specialized organic stain remover. These products are designed to break down organic matter at a chemical level.

Step 4: Mineral Stain Removal

  1. Lower the pH: Lower the pool's pH to around 7.0-7.2. This makes it easier for stain removers to work effectively.
  2. Metal Sequestrant: Add a metal sequestrant to the pool water. This product binds to metals, preventing them from causing stains.
  3. Stain Remover: Use a metal stain remover product. Follow the manufacturer's instructions for the correct application. These products are typically applied directly to the stain.

Step 5: Metallic Stain Removal

  1. Lower the pH: Just like with mineral stains, lower the pool's pH to around 7.0-7.2.
  2. Metal Sequestrant: Add a metal sequestrant to the water to prevent further staining.
  3. Stain Remover: Apply a metallic stain remover product as directed. These removers are designed to lift metal-based stains from the pool surface.

Step 6: Preventing Future Stains

Preventing stains is just as important as removing them. Here are some preventive measures to keep your pool stain-free:

  1. Regular Cleaning: Skim, brush, and vacuum your pool regularly to remove debris before it can cause stains.
  2. Balanced Water Chemistry: Maintain proper water chemistry by regularly testing and adjusting pH, alkalinity, and calcium hardness levels.
  3. Metal Control: Use a metal sequestrant regularly to keep metals suspended in the water, preventing them from settling and causing stains.
  4. Proper Storage: Avoid leaving metal objects or pool toys in the water for extended periods.

When to Call a Professional

While DIY methods can be effective, some pool stains require professional intervention. If you've tried the above methods and the stains persist, it might be time to call in the experts.

If you're in Ocoee, FL, Pure & Simple Pool Care offers professional pool service to tackle even the toughest stains. Their experienced technicians can assess the situation, identify the stain type, and apply the appropriate treatments to restore your pool's pristine condition.



Dealing with pool stains can be frustrating, but with the right knowledge and tools, you can keep your pool looking its best. Remember to identify the stain type, use the appropriate cleaning methods, and take preventive measures to avoid future stains.

If you need help with pool service in Ocoee, FL, contact Pure & Simple Pool Care today to schedule an appointment. Their team of experts is ready to assist you in maintaining a beautiful and stain-free pool.