The Spectrum Aquatics 3-Step Process: Why Our Stainless Steel Lasts Longer
Date: August 2023
What is the Spectrum Aquatics 3-Step Process?
The Spectrum Aquatics 3-Step Process combines electropolishing, passivation, and our exclusive Spectra Shield® treatment to maximize corrosion resistance, improve cleanability, and dramatically extend the life of stainless steel aquatic equipment. Unlike many manufacturers that stop after electropolishing and passivation, Spectrum adds a third protective layer that helps shield stainless steel from moisture and harsh pool chemicals.
At a Glance
| Feature | Spectrum Aquatics |
|---|---|
| American-made stainless steel | ✅ |
| Electropolishing | ✅ |
| Passivation | ✅ |
| Proprietary Spectra Shield® | ✅ |
| Welds hand polished | ✅ |
| Manufactured in USA with USA steel | ✅ |
| Designed for harsh aquatic environments | ✅ |
What You'll Learn
After reading this guide you'll understand:
- Why stainless steel can still corrode around pools
- What electropolishing actually does
- Why passivation is important
- Why Spectra Shield® makes such a significant difference
- Why American stainless steel matters
- How Spectrum's manufacturing process increases product longevity
- What to look for when comparing stainless steel aquatic equipment
Why Does Stainless Steel Corrode Around Swimming Pools?
Even stainless steel can corrode in harsh aquatic environments if it isn't properly finished and protected and maintained.
Why? Commercial pools create one of the most demanding environments for metal.
Equipment is continually exposed to:
- Chlorine
- Salt (where applicable)
- Moisture
- UV exposure
- Cleaning chemicals
- Chloramines in indoor natatoriums
- Constant wet/dry cycles
Without proper surface treatment, contaminants can become embedded in the metal, eventually leading to corrosion, staining, or pitting.
That's why the finishing process matters just as much as the stainless steel itself.

Step 1: What Is Electropolishing?
Electropolishing removes microscopic imperfections and contaminants from the stainless steel surface, creating a smoother, cleaner finish.
Think of electropolishing as microscopic polishing.
During fabrication, tiny imperfections and contaminants become embedded within the metal.
Electropolishing removes these imperfections to create a smooth, mirror-like finish that:
- Improves cleanability
- Reduces areas where bacteria can accumulate
- Creates a more uniform surface
- Improves corrosion resistance
- Produces a brighter appearance
The smoother the surface, the fewer places contaminants have to collect.
Step 2: What Is Passivation?
Passivation strengthens stainless steel's natural corrosion resistance by enhancing its protective chromium-rich surface.
After electropolishing, Spectrum passivates every stainless steel component.
Passivation is a chemical treatment that removes free iron and other contaminants from the metal surface.
The result is a stronger chromium oxide layer that naturally protects stainless steel from:
- Rust
- Pitting
- Surface corrosion
- Chemical attack
Most high-quality commercial aquatic equipment should include passivation.
Step 3: What Is Spectra Shield®?
Spectra Shield® is Spectrum Aquatics' proprietary third layer of protection that helps keep moisture and pool chemicals out of the stainless steel surface.
This is where Spectrum differs from nearly every other manufacturer.
Many companies electropolish.
Many companies passivate.
Most stop there.
Spectrum continues with a third proprietary treatment called Spectra Shield®.
Spectra Shield® works by embedding itself into the microscopic grain structure of the stainless steel surface, creating an additional barrier against:
- Moisture
- Chlorine
- Chloramines
- Harsh pool chemicals
- Corrosive aquatic environments
Unlike waxes or temporary coatings, Spectra Shield®:
- Does not wash off
- Cannot be removed by normal cleaning
- Does not change the appearance of the stainless steel
- Does not affect the feel of the surface
Instead, it quietly protects the equipment every day throughout its service life.
________________________________________________
Why Doesn't Every Manufacturer Use a 3-Step Process?
Because every additional manufacturing step adds cost, time, and quality control requirements.
Applying electropolishing, passivation, and a proprietary protective treatment requires additional labor, equipment, and inspection.
For some manufacturers, reducing production costs takes priority.
At Spectrum Aquatics, we believe the long-term durability of our products is worth the extra effort.
It's one of the reasons our stainless steel equipment continues performing in some of North America's toughest aquatic environments.
💡Did You Know?
The Spectrum Aquatics 3-Step Process doesn't just protect bare stainless steel, it also creates the ideal foundation for powder coating. By thoroughly cleaning and preparing the metal through electropolishing and passivation before applying our proprietary Spectra Shield® treatment, we help ensure powder coat adheres more uniformly, delivers a smoother finish, and provides longer-lasting durability in harsh aquatic environments.

Why American Stainless Steel Matters
Spectrum Aquatics uses only American-made stainless steel sourced from select mills across the United States.
Combined with our manufacturing process, this provides:
- Exceptional material consistency
- Strict quality standards
- Reliable weldability
- Superior long-term durability
Every stainless steel component is manufactured in Missoula, Montana, where every weld is carefully hand polished before entering the 3-Step Process.
That attention to detail helps eliminate surface contaminants that could otherwise become corrosion points later in the product's life.
Spectrum vs. Typical Stainless Steel Manufacturing
| Manufacturing Process | Typical Manufacturer | Spectrum Aquatics |
|---|---|---|
| American stainless steel | Sometimes | ✅ |
| Electropolishing | Often | ✅ |
| Passivation | Often | ✅ |
| Proprietary corrosion treatment | Rare | ✅ |
| Hand-polished welds | Varies | ✅ |
| Complete 3-Step Process standard on all stainless products | Rare | ✅ |
The Difference Everyone Misses
Many buyers compare:
- Price
- Appearance
- Product specifications
Few compare how the stainless steel was finished.
Two products may look nearly identical on installation day. Five or ten years later, their appearance, and maintenance requirements, can be dramatically different.
The manufacturing process often determines the lifespan of the equipment.
⭐Expert Tip
When evaluating commercial aquatic equipment, don't just ask: "What grade of stainless steel is it?"
Also ask:
- Was it electropolished?
- Was it passivated?
- Is there additional corrosion protection?
- How are welds finished?
- Where is it manufactured?
Those answers often tell you far more about long-term durability than the stainless steel grade alone.
Myth vs. Fact
| Myth | Fact |
|---|---|
| Stainless steel never rusts. | Stainless steel can corrode in harsh aquatic environments if it isn't properly finished and maintained. |
| All stainless steel products are manufactured the same way. | Manufacturing and finishing processes vary significantly between manufacturers. |
| Electropolishing alone is enough. | Electropolishing is excellent, but additional protection can further increase corrosion resistance. |
| Surface finish doesn't matter. | Surface finish plays a major role in cleanability and long-term durability. |
💡Did You Know?
Even the highest-quality stainless steel benefits from routine maintenance. That's why Spectrum Aquatics developed Spectra-Clean™, our professional-grade stainless steel cleaner and passivation solution designed specifically for commercial aquatic environments. Regular cleaning helps remove chlorine residue, mineral deposits, and surface contaminants while restoring the beautiful finish and helping maximize corrosion resistance. Best of all, it's available on our online store for quick and convenient ordering.
Stainless Steel Buying Checklist
Before purchasing commercial pool equipment, ask whether it includes:
| ✔ Checklist |
|---|
| American-made stainless steel |
| Electropolishing |
| Passivation |
| Additional corrosion protection |
| Hand-finished welds |
| Long-term replacement part availability |
| Commercial aquatic manufacturing expertise |
| Proven performance in harsh aquatic environments |
Frequently Asked Questions
Does electropolishing prevent rust?
Electropolishing significantly improves corrosion resistance by creating a smoother surface, but it is most effective when combined with passivation and proper maintenance.
What does passivation do?
Passivation removes free iron contaminants and enhances the stainless steel's natural protective chromium oxide layer.
What makes Spectra Shield® different?
Spectra Shield® is Spectrum Aquatics' proprietary third layer of protection that provides additional defense against moisture and harsh aquatic chemicals.
Is every Spectrum stainless steel product treated with the 3-Step Process?
Yes. Every Spectrum Aquatics stainless steel product goes through our complete 3-Step Process as part of our standard manufacturing process.
Where are Spectrum Aquatics stainless steel products manufactured?
All Spectrum Aquatics stainless steel products are manufactured in Missoula, Montana using American-made stainless steel sourced from select U.S. mills.

Final Thoughts
Commercial aquatic equipment represents a long-term investment. While many stainless steel products may appear similar on the surface, the manufacturing process behind them can make a significant difference in how they perform over years of exposure to chlorine, moisture, UV light, and demanding aquatic environments.
At Spectrum Aquatics, every stainless steel product is built with longevity in mind. From American-made stainless steel and meticulous hand-finishing to electropolishing, passivation, and our exclusive Spectra Shield® treatment, our 3-Step Process is designed to deliver exceptional durability and corrosion resistance for the life of your equipment.
Ready to Invest in Stainless Steel Built to Last?
From ADA-compliant pool lifts and starting blocks to handrails, ladders, lifeguard chairs, and climbing walls, every Spectrum Aquatics stainless steel product is manufactured using our exclusive 3-Step Process as a standard, not an upgrade.
If you're planning a new facility, renovating an existing pool, or comparing commercial aquatic equipment, our team is here to help you choose products engineered for long-term performance.
Contact Spectrum Aquatics today to request a quote, speak with one of our sales experts, or learn more about how our exclusive 3-Step Process protects your investment for years to come.
