What is the main purpose of a water circulation system in a pool?

The main purpose of a water circulation system in a pool is to distribute chemicals and temperature evenly throughout the pool. Proper circulation ensures that chemical treatments, such as chlorine or other sanitizers, are evenly mixed in the water, which is crucial for maintaining water quality and safety. If circulation is inadequate, some areas of the pool may have insufficient sanitizer or uneven temperatures, which can lead to issues like algae growth or uneven comfort for swimmers.

Moreover, effective circulation helps in temperature regulation, as it allows heated water to mix with cooler water, creating a more uniformly warm pool environment, which enhances swimmer comfort. While the water circulation system does contribute to the removal of impurities and may assist in activities like heating or creating water features, its primary role is to ensure that chemicals and temperatures are consistently distributed throughout the pool.