Pool and spa maintenance made easy

Pool calculator provides the necessary tools and pool maintenance info you need to keep your swimming pool & hot tub water clear and balanced.

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How to Clean and Maintain Your Swimming Pool or Hot Tub

How to Test your Swimming Pool Water
How to Test your Swimming Pool Water

Testing your pool helps keep your water safe from viruses, bacteria, and algae, and ensures chemical levels are safe and comfortable.

Can You Over Shock a Pool?
How to Clear Cloudy Swimming Pool Water
How to Clear Cloudy Swimming Pool Water

There are few things that can spoil your day more than cloudy water in your pool. Testing your pool chemistry can help find the problem.

What are Free Chlorine, Combined Chlorine, and Total Chlorine?
What are Free Chlorine, Combined Chlorine, and Total Chlorine?

Want to know what the different types of chlorine mean? Read on to learn about Free chlorine, combined Chlorine, and Total chlorine.

How to Use the Swimming Pool Volume Calculator
How to Use the Swimming Pool Volume Calculator

The Pool Volume Calculator makes it easy to calculate the volume of rectangular, oval, and circular pools quickly.

Saltwater vs. Chlorine Sanitation Pros and Cons for Swimming Pools
Saltwater vs. Chlorine Sanitation Pros and Cons for Swimming Pools

Saltwater and chlorine are the two most common types of pool sanitation. Learn the benefits and challenges with both!

How to Test, Raise, and Lower Swimming Pool Alkalinity
How to Test, Raise, and Lower Swimming Pool Alkalinity

Total alkalinity is similar and correlated to cyanuric acid. It’s not as volatile as free chlorine or pH and doesn’t require frequent testing.

The Relationship Between pH and Total Alkalinity
What is Swimming Pool Alkalinity?
What is Swimming Pool Alkalinity?

Swimming Pool alkalinity (often called total alkalinity) is a measurement of the concentration of alkaline materials in your pool. Alkaline materials stabilize pH but buffer chlorine sanitation.

Swimming Pool Algae: What it is and How to Remove It
Swimming Pool Algae: What it is and How to Remove It

Pool algae is an unfortunate yet common problem many pool owners face. This article describes the types of algae and how you can prevent it.

Popular posts

The Facts About Pool Algaecide
The Facts About Pool Algaecide

Want to learn more about algaecide? Read on to find out when to add algaecide to your pool maintenance routine and other helpful tips.

Can You Over Shock a Pool?
The Relationship Between pH and Total Alkalinity
What Should Chlorine Levels Be in Swimming Pools and Hot Tubs?
What Should Chlorine Levels Be in Swimming Pools and Hot Tubs?

The Association of Pool and Spa Professionals recommends free chlorine levels for both swimming pools and hot tubs be kept between 2.0 and 4.0 ppm. However, the Center for Disease Control recommends free chlorine stay above 1 ppm in pools and 3 ppm in hot tubs.