Protect Spa Surfaces, Plumbing, and Equipment from Scale Buildup

Sirona Defend is a professional-grade spa scale prevention treatment designed to protect hot tubs and spas from calcium scale, mineral deposits, and surface staining. In warm spa water, dissolved minerals such as calcium and magnesium can quickly fall out of solution, forming scale on heaters, jets, plumbing, and surfaces. Left untreated, this buildup reduces efficiency, restricts water flow, and shortens equipment life.

Sirona Defend uses a specialized blend of organic polymers to keep minerals suspended in the water, preventing them from attaching to spa components and surfaces.

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Prevents Scale Before It Starts

Unlike harsh acid-based removers that address scale after it forms, Sirona Defend works proactively. By binding minerals in the water, it helps prevent them from hardening into stubborn deposits.

Regular use helps:

• Prevent calcium scale on heaters and jets

• Reduce mineral staining on spa surfaces

• Protect internal plumbing and fittings

• Maintain consistent water clarity

• Support efficient heater and pump operation

This preventative approach is especially important in areas with hard water.

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Protects Critical Spa Components

Scale buildup inside a spa doesn’t just affect appearance—it impacts performance. Mineral deposits can insulate heaters, reduce heat transfer, and cause premature heater failure. Sirona Defend helps protect:

• Spa heaters

• Jet housings and nozzles

• Circulation and plumbing lines

• Acrylic spa surfaces

By keeping minerals in solution, the product helps maintain proper system efficiency and long-term reliability.

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Ideal for Hard Water and High-Temperature Spas

High water temperatures accelerate scale formation, making spas especially vulnerable compared to swimming pools. Sirona Defend is formulated specifically for hot tubs and spas, where mineral control is critical for maintaining balanced, comfortable water.

It is particularly useful:

• At startup after filling with fresh water

• In regions with high calcium hardness

• When maintaining elevated spa temperatures

• As part of routine weekly maintenance

Consistent use reduces the need for aggressive scale removal later.

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Easy Liquid Application

Sirona Defend is a concentrated liquid that disperses quickly throughout spa water, making application simple and efficient.

General use involves:

1. Adding the recommended dose directly to the spa

2. Running circulation to distribute the product evenly

3. Maintaining regular dosing based on spa size and usage

Always follow label directions for proper dosage and maintenance schedules.

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Compatible with Sirona Spa Care Systems

Sirona Defend is designed to integrate seamlessly with other Sirona spa water care products, including sanitizers, oxidizers, metal control, and filter cleaners. Preventing scale improves overall water balance and helps other chemicals work more effectively.

This product is intended for hot tubs and spas only and is not designed for full-size swimming pools.

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Product Specifications

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Buy with Confidence from Benchmark Pool Supply

Benchmark Pool Supply carries spa water care products selected for performance, reliability, and long-term protection. Sirona Defend is trusted by spa owners who want to protect expensive equipment and keep water looking its best.

When you buy from Benchmark Pool Supply, you get:

• Proven spa maintenance solutions

• Products chosen by pool & spa professionals

• Trusted brands with consistent results

• Support from a pool-focused retailer

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Frequently Asked Questions

What does Sirona Defend do?

Sirona Defend prevents calcium scale and mineral deposits by keeping minerals suspended in spa water.

When should I use Sirona Defend?

It is commonly added after filling a spa and used regularly as part of ongoing maintenance, especially in hard water areas.

Does this remove existing scale?

Sirona Defend is designed to prevent scale formation. Existing scale may require a dedicated scale remover.

Is this safe for spa equipment?

Yes, when used as directed, it helps protect heaters, jets, and plumbing from mineral buildup.

Can I use this in a swimming pool?

No, Sirona Defend is formulated specifically for hot tubs and spas.