Spa Stain and Scale Control
Spa Stain and Scale Control
Quickly eliminate stains and scale buildup to protect your spa equipment.
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Our Spa Stain and Scale formula quickly eliminates stubborn stains and scale buildup, safeguarding your equipment from damage.

- Add this product directly to pool or spa water 2 ounces for each 500 gallons of water.
- Run filter for 1 hour or normal filtration cycle.
- Apply treatment at least once per week.

Is this compatible with Bromine and chlorine?
Yes, our stain and scale control product works well with both Bromine and Chlorine-treated spas.
Where is it made?
Our product is proudly made, packaged, and shipped from the USA.

The price you see is the price you pay.
We don’t play pricing games.
That’s why all orders over $75 ship free—no tricks, no hidden costs.
Why is AquaDoc the Best in Pool Chemicals?
- 🌿 Paraben free & Aluminum free
- 📦 Fast Shipping
- 🇺🇸 Made in the USA
Order With Confidence
If our products don't solve your (pool or spa-related) headaches, contact us for a 100% refund. Free shipping on all orders over $75!
Introducing Our Water Testing Game-Changer
AquaDoc
Eagle Ray Digital Water Testing Kit
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Say goodbye to guesswork with our easy-to-use tester that provides fast and accurate readings for: Total Chlorine, Total Hardness, Free Chlorine, Cyanuric Acid, Total Alkalinity, Bromine, and pH Levels.
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100% Paraben Free
Say goodbye to parabens that can potentially be harmful to your family. All of AquaDoc's chemicals are paraben and aluminum free.
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Awesome
I love this product I had some build up in my pool for weeks and when I used Aquadoc product it cleaned it in no time. This is really a world product I give this product a 10/10Awesome

Super clean!
As pool season ends, storing the equipment can be quite a task, try aquadoc filter! It's definitely a deal breaker! Used along side other aquadoc and your pool will never have ring around the collar. Aquadoc, thanks for helping with my pool!https://www.mavaquadoc.com/products/stain-scale-preventor-and-protector?variant=32295553138778 . . .
Works well
This worked very well, it did not get the harder buildup off but it got 95% off
works
After a couple of doses tub has little to no scaling. I will continue to use this product.
Definitely works full strength.
I had scale form for the first time ever. I poured some of this in and it seemed to remove (lessen the thickness/sharpness) of what had formed. But never did come close to getting rid of all of the scale.I used this product full strength after draining my spa. Worked great.
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