29110 Evergreen Dr. Waterford, WI 53185


24/7 Emergency Service


Keeping your pool fun and enjoyable means also making it safe. Maas & Sons offers a full range of GLB brand pool treatment chemicals to make sure your pool is clean and refreshing!


Chlorine is a disinfectant used to safely treat pool water. 


Your pool's pH level tells us whether your pool water is considered acidic or safe. 

Total Alkalinity

Alkalinity refers to your pool's chemical balance and whether it's at risk of becoming acidic. 

Calcium Hardness

Calcium hardness must be managed and kept in balance. Call us today to learn more!

Pool chemistry is the part of pool care that confuses people the most. It is also the item that is most often neglected in pool care. It is important to remember that proper water quality protects your swimmers, protects the pool and its equipment, and helps keep algae under control.

We have split the water chemistry section into small sections to keep the learning simple.

Maas & Sons is proud to offer GLB brand test kits and chemicals to make sure you have the tools to keep your pool safe and make sure your family can enjoy their time splashing around!

Our chemicals and test kits work for indoor and outdoor pools, as well as hot tubs and spas.


Stabilizer is needed to help maintain the chlorine levels in your pool. We'll help you learn how to test for stabilizer and how to adjust a high stabilizer level. 

Salt Water Systems

Find out how salt-water chlorinators work. Learn about the benefits and differences over traditional systems and read frequently asked questions. Get help choosing a system and sizing a system to your pool as well as maintaining and troubleshooting a salt system.