PoolMaster Pumice Stone

Effortlessly Remove Stains, Calcium, and Rust — The PoolMaster Pumice Stone

When pool stains, calcium deposits, and mineral buildup start to ruin the look of your pool surfaces, there’s no need for harsh chemicals or costly resurfacing. The PoolMaster Pumice Stone is an easy, natural, and effective way to make your pool look great — safely and quickly.

Made from eco-friendly volcanic pumice, this durable cleaning tool gently erases tough stains, calcium rings, and rust from tile, plaster, and concrete without damaging your pool finish. It’s the go-to choice for professional pool technicians and homeowners who want powerful results without chemical headaches.

With the PoolMaster Pumice Stone, you can say goodbye to stubborn buildup and hello to smooth, spotless pool surfaces.

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A Safe and Natural Cleaning Solution

The PoolMaster Pumice Stone works by mechanically scrubbing away buildup without the need for abrasive acids or detergents. Because pumice is a naturally porous volcanic stone, it gently wears down while removing mineral deposits, leaving your tile and plaster smooth and clean.

Unlike harsh chemical cleaners, pumice won’t etch or discolor your pool surfaces when used correctly. It’s completely safe for pool water and requires no draining or rinsing beyond your normal filtration cycle.

This makes it ideal for homeowners who prefer eco-conscious pool care or want to avoid chemical exposure while cleaning.

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Perfect for Calcium, Rust, and Mineral Stains

Over time, calcium scale, rust stains, and mineral rings can develop along the waterline or on pool fixtures, especially in areas with hard water. Traditional scrubbing pads and brushes often can’t remove these stains completely — but the PoolMaster Pumice Stone can.

It’s specifically designed to eliminate:

• Calcium scale buildup along the tile line

• Rust and metal stains from ladders or hardware

• Mineral deposits on plaster and grout

• Algae and mildew residue that sticks to rough surfaces

Simply wet the stone and gently rub it over the affected area. The soft grit of the pumice wears down gradually, conforming to the surface and polishing it clean without leaving scratches behind.

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Ideal for Multiple Surfaces

The PoolMaster Pumice Stone works on a wide range of pool materials, including:

• Tile and grout

• Concrete and plaster finishes

• Pumice-compatible spa surfaces

• Metal components like rails, ladders, and drain covers (for rust removal)

It’s especially effective for in-ground plaster pools, where calcium buildup is most common. However, it should not be used on vinyl or fiberglass surfaces, as those materials can scratch more easily.

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Ergonomic, Easy-to-Use Design

PoolMaster designed this pumice stone for comfort and efficiency. Its rectangular shape provides a large cleaning surface area, allowing you to cover more space with less effort.

The lightweight design fits comfortably in your hand, giving you maximum control while scrubbing. Simply wet both the stone and the stained area before use — this helps lubricate the surface and prevent scuffing while allowing the pumice to glide smoothly.

Because pumice gradually wears down during use, the stone renews itself with each cleaning session, exposing a fresh layer of grit for continued effectiveness.

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Chemical-Free Cleaning — Just Add Water

Forget toxic fumes, skin irritation, or chemical runoff. The PoolMaster Pumice Stone is 100% chemical-free. All you need is water and a little elbow grease. It’s an environmentally responsible way to clean your pool, patio, and spa surfaces.

This means:

• No harsh acid-based cleaners.

• No chemical residue left in your pool.

• No impact on water balance or pH.

It’s safe to use anytime, even with swimmers nearby — just rinse the area afterward and let your filtration system do the rest.

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Professional-Grade Quality

For more than 50 years, PoolMaster has been a trusted name in pool maintenance tools. Known for their durable, well-designed accessories, PoolMaster products are engineered for both homeowners and professional pool technicians who demand performance and reliability.

The Pumice Stone reflects that same standard: strong, dependable, and designed to make tough jobs simple. Whether you manage a commercial pool or maintain your backyard oasis, this stone delivers professional results in minutes.

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Key Features

• Natural Volcanic Pumice – Safe and effective for removing stains and scale.

• Chemical-Free Cleaning – No acids or detergents required.

• Gentle on Surfaces – Cleans plaster, tile, and concrete without scratching.

• Removes Stubborn Deposits – Erases calcium, rust, and mineral buildup quickly.

• Easy to Use – Wet and scrub directly on stained areas.

• Reusable – Stone wears down gradually to expose new cleaning surfaces.

• Eco-Friendly – Safe for pool water and the environment.

• Ergonomic Shape – Comfortable grip for effortless cleaning.

• Professional Quality – Trusted by pool service professionals nationwide.

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Step-by-Step Usage Guide

1. Wet the pumice stone and the stained surface before cleaning.

2. Gently rub the stone over the stain using light, even pressure.

3. Continue scrubbing until the buildup or discoloration is removed.

4. Rinse the area with pool water or let your filtration system circulate debris away.

5. Allow the stone to dry naturally between uses for best results.

Regular use can help prevent calcium and rust buildup before it becomes difficult to remove.

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When to Use the PoolMaster Pumice Stone

Use it any time you notice:

• White or gray calcium deposits around the tile line.

• Rust spots forming on metal or plaster.

• Algae or mildew buildup on rough surfaces.

• Discoloration from mineral-rich water or chlorine exposure.

By addressing these early, you maintain your pool’s appearance, extend the life of your finish, and reduce the need for professional resurfacing or acid washing.

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Product Specifications

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Who It’s For

• Homeowners looking for a natural way to remove calcium and rust stains.

• Pool technicians who need a quick, chemical-free tool for service calls.

• Eco-conscious pool owners avoiding harsh cleaning chemicals.

• Anyone maintaining plaster or tile pools prone to scale and buildup.

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Why Choose PoolMaster Pumice Stone from Benchmark Pool Supply

At Benchmark Pool Supply, we only carry trusted, professional-grade products designed to make pool care easier and more effective. The PoolMaster Pumice Stone is one of our best-selling manual cleaning tools because it provides instant results without chemicals.

Our team has years of hands-on experience helping pool owners restore and maintain beautiful, healthy pools. When you shop with Benchmark, you’re not just buying a product — you’re getting access to real expertise and reliable service that keeps your pool at its best.

We offer fast shipping, verified authenticity, and responsive support for every order — so you can clean with confidence.

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Frequently Asked Questions

Q: Is the PoolMaster Pumice Stone safe for all pool types?
A: It’s safe for tile, plaster, and concrete. Do not use on vinyl or fiberglass, as it may cause scratching.

Q: Do I need to use chemicals with it?
A: No. It’s completely chemical-free. Just wet the stone and scrub gently.

Q: Can I use it underwater?
A: Yes — it can be used directly underwater, making it easy to clean waterline rings without draining your pool.

Q: Will it damage my tile?
A: No, when used wet, it’s gentle enough for pool tile and grout, yet strong enough to remove calcium and mineral deposits.

Q: How long does one stone last?
A: It depends on usage and stain severity. Each stone gradually wears down, exposing fresh abrasive material until fully used.

Q: Can I use it on my spa or fountain?
A: Absolutely. It’s perfect for spas, fountains, and decorative concrete features.

Q: Is it safe for saltwater pools?
A: Yes. It won’t react with saltwater and is safe for use in all types of sanitized pools.