Ships fast with BioGuard Scale Inhibitor 23902BIO. Shasta Pool Supply extends the best pool chemical deals online. Comparatively, receive the lowest total price for scale formation prevention products.
Specially Formulated Scale Damage
BioGuard Scale Inhibitor is specially formulated to:
- Safeguard your pool's plumbing and filtration system from mineral deposits
- Enhance the efficiency of your pool equipment
- Reduce the need for costly repairs due to scale damage
- Improve overall water quality and swimmer comfort
Reliable scale inhibitor prevents mineral build-up and metal stains. Additionally, it helps maintain a balanced pool environment and ensures your pool remains inviting and ready for use. Trust BioGuard, a leader in pool care solutions, to keep your pool in top condition.

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Key Features
- Protects Pool Equipment: Prevents scale formation on pool surfaces and equipment, extending their lifespan
- Prevents and Removes Stains: Effectively combats metal stains, keeping your pool looking its best
- Maintains Water Clarity: Prevents cloudy water caused by high calcium levels
- Versatile Use: Suitable for chlorine- and bromine-treated pools
- Concentrated Formula: 32oz bottle provides long-lasting protection
Technical Specifications
- Size: 32 oz (946 ml)
- Item Number: 23902BIO
- For use in all types of pools
- Made by BioGuard, a trusted name in pool care products
Specs
- Part Number: 23902BIO
- Manufacturer: BioGuard
- Material: Scale Inhibitor

BioGuard Scale Inhibitor
BioGuard Scale Inhibitor keeps the pool crystal clear and equipment running smoothly. Furthermore, this powerful 32oz solution protects the pool from scale build-up and metal stains. Therefore, it ensures a pristine swimming experience all season long.
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What our customers are saying
Quick quote, good price and fast delivery
Quick quote, good price and fast delivery
Kent V.
When it comes to finding pool parts at the best price and availability, TS Pool Supply has not disappointed. I was able to get an actuator at a great price, and recently got a new salt cell at the MSRP price but as quickly as the next day picking it up from their north location in Surprise. I appreciate having TS Pool Supply as an option for getting pool supplies when I need them.
When it comes to finding pool parts at the best price and availability, TS Pool Supply has not disappointed. I was able to get an actuator at a great price, and recently got a new salt cell at the MSRP price but as quickly as the next day picking it up from their north location in Surprise. I appreciate having TS Pool Supply as an option for getting pool supplies when I need them.
Quintus S.
Called the office to place my order with Chuck. Very easy and great experience. Will definitely keep calling TS Supply. Thanks!!
Called the office to place my order with Chuck. Very easy and great experience. Will definitely keep calling TS Supply. Thanks!!
Cassie T.
FAQ
Our expert staff answers customer's most asked questions.
What are the ideal chemical ranges for my pool?
Achieving a balanced pool involves maintaining a pH range of 7.2–7.8, total alkalinity between 80–120 ppm, calcium hardness at 180–220 ppm, and cyanuric acid (stabilizer) within 30–50 ppm. Chlorine levels should consistently fall within the 1–3 ppm range, by may need to be increased as CYA levels go above 60 PPM.
How often should I test my pool water?
Regular testing, ideally once a week, ensures that chemical levels are within the recommended range. This practice ensures that your pool is always ready for enjoyment.
What is better for my pool and my body: Salt Chlorinator or Chlorine Chemicals?
Opting for a salt chlorinator is a superior choice for both your pool and skin. In addition to cost savings on chemicals, it requires minimal maintenance with a 5-7 year replacement cycle on salt cells. Most salt cells have an operating life of 10,000 hours. Proper maintenance will help extend the life cycle of salt cells. Refer to your owner's manual for cleaning instructions and tips on cleaning Pentair salt cells and products that help keep all salt cells cleaner. Explore our recommended models, Gentle Chlor and IC-40, by following this link.
Learning Center
Blog posts
The latest news and guides making buying and maintaining pool equipment easier.
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How Much Chlorine to Add to Pool
The difference between a safe swimming environment and a potential health hazard lies in your pool's chlorine levels. Specifically, the goal amount includes between 1 to 3 parts per million....
How Much Chlorine to Add to Pool
The difference between a safe swimming environment and a potential health hazard lies in your pool's chlorine levels. Specifically, the goal amount includes between 1 to 3 parts per million....
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Did you know your pool's pH must stay between 7.2 and 7.6? This tiny range makes a huge difference. Additionally, any deviation creates problems for swimmers and your pool's condition....
What Does Muriatic Acid Do For a Pool? Truth Ab...
Did you know your pool's pH must stay between 7.2 and 7.6? This tiny range makes a huge difference. Additionally, any deviation creates problems for swimmers and your pool's condition....
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Cloudy pool water poses a serious health risk. Dangerous bacteria like E. coli and Legionella thrive in murky conditions. The problem goes beyond looks. Murky water stains pool walls and...
How to Clear a Cloudy Pool Fast: A Pool Pro's S...
Cloudy pool water poses a serious health risk. Dangerous bacteria like E. coli and Legionella thrive in murky conditions. The problem goes beyond looks. Murky water stains pool walls and...
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