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Introduce Your Pool to Card On Guard Solar Sanitizers


Swim Cleaner, Healthier, and With Less Chlorine



Someone holding a box of the Card On Guard Solar Sanitizer tubes
Solar Sanitizers (media by JC)

Swimming should be a refreshing escape, not a chemical bath. Traditional pool maintenance relies heavily on chlorine to keep water clean, but this approach comes with significant drawbacks. High chlorine levels can irritate your skin and eyes, create that harsh “pool smell,” and release harmful chloramines into the air you breathe.


The good news is that I found a company with revolutionary technology that now makes it possible to maintain crystal-clear, bacteria-free pool water while reducing chlorine use by at least 50%. This breakthrough approach revolutionizes our understanding of pool chemical reduction, paving the way for more natural pool cleaning methods. So now for the test…..


A closer look at one solar sanitizer tube for the pool
One Sanitizer (media by JC)

Introducing Card On Guard Solar Sanitizers: The Natural Light Solution

Card On Guard represents a shift in pool and hot tub maintenance. This innovative solar sanitizer harnesses the power of natural light to reduce your reliance on harsh chemicals significantly. Unlike traditional sanitizing systems that require electricity, equipment installation, or direct sunlight exposure, Card On Guard offers a simple drop-in solution that works for 12 months.


The technology behind this breakthrough is called BioPhotonX™ UV Light Conversion. This system doesn’t just reduce chemicals — it actively works alongside your existing sanitizing system to create healthier water conditions while maintaining the same level of cleanliness you expect.


A view of a nice, clean, and serene pool
Serene Pool (media by Card On Guard)

How BioPhotonX™ Technology Works

The science behind Card On Guard centers on UV light conversion technology that captures and magnifies available UV light. Here’s how the process unfolds:


The Card On Guard device absorbs UV light from any source — whether direct sunlight, ambient light, or artificial lighting. This captured photonic energy then breaks down portions of water molecules, which reform into free radicals. These free radicals attack, weaken, and inhibit bacterial reproduction in the water of your pool or hot tub.


This natural process reduces the workload on chlorine or bromine, allowing you to maintain proper sanitization levels with significantly fewer chemicals. The result is water that feels more natural while providing the same bacterial protection you need.


A graphic showing a floating sanitizer solar tube
Floating Tube (media by Card On Guard)

Key Benefits of Using Card On Guard


Healthier Swimming Experience

Reducing chlorine use by 50% or more means less exposure to harmful chloramines — the compounds responsible for that strong “chlorine smell” and the irritation many swimmers experience. Users report softer-feeling water that’s gentler on skin, eyes, and respiratory systems.


Simplified Maintenance

Card On Guard requires no installation, electricity, or complex maintenance schedules. Drop the device into your pool or hot tub, then gradually reduce your regular chemical additions over three weeks until you reach a 50% reduction. Weekly water testing ensures everything stays balanced.


Environmental Benefits

Less chemical use means fewer toxins released into the environment. This eco-friendly approach to natural pool cleaning aligns with growing concerns about chemical runoff and its impact on local ecosystems.


Long-Term Value

Each Card On Guard device works continuously for 12 months, providing consistent chemical reduction without ongoing costs or replacements during that period.


Suitable for Various Pool Sizes

Card On Guard Solar Sanitizers offer solutions for different water volumes:



  • Solar Sanitizer FIN: Designed for swimming pools up to 15,000 gallons. Each FIN costs $59.00


A closer look at a solar sanitizer fin used for 15,000 gallon pools
Solar Sanitizer Fin (media by Card On Guard)
  • Solar Sanitizer TUBE: Perfect for hot tubs, swim spas, and pools up to 10,000 gallons. Each tube costs $39.00. I opted for the 4-pack at $116.00



A view of a box of solar sanitizer tubes
Solar Sanitizer Tubes (media by Card On Guard)


Both products are compatible with all existing sanitizing systems, making the transition to less chlorine seamless, regardless of your current setup. I opted for the Solar Tubes.


Making the Switch to Natural Pool Cleaning

Ready to experience healthier pool water? Here’s how I started:


  1. Ensure your current chlorine or bromine levels are at two ppm before introducing Card On Guard.


  1. Place your Card On Guard device in the pool or hot tub. I am using three of the tubes to start, as my pool holds around 29,000 gallons of water.


  1. Over the next three weeks, I will gradually reduce my regular chemical additions of liquid chlorine in equal increments until I reach a 50% reduction.


  1. I most certainly will test the water weekly to maintain proper balance.


I am told I will know the system is working when the test kit shows chlorine or bromine levels staying within the ideal 1–2 ppm range with significantly less chemical input.



A view from above looking down on a family of four in a pool
Pool Overhead (media by Card On Guard)


Experience Pool Care Revolution

The future of pool maintenance combines effective sanitization with healthier water conditions. Card On Guard’s innovative approach to pool chemical reduction proves that you don’t have to choose between clean water and chemical exposure.


Enhance your swimming experience with natural light technology that operates continuously to maintain the cleanliness, clarity, and comfort of your pool or hot tub. Discover how less chlorine can mean more enjoyment for you and your family.

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