When the swim spa tub activates its jet system or strong water flow, the water is rapidly agitated, drawing in a large amount of air. If substances in the water stabilize these bubbles, they won't burst immediately but will instead gather at the surface, forming foam.

If the swim spa tub has a leak, the water level change often has the following characteristics: • The water level drops significantly faster than normal evaporation • The water level continues to drop even when the tub is turned off • The water level may stop dropping after reaching a certain height (corresponding to the leak point height)

Swim spa tubs are not "only" placed on concrete floors, but they must be placed on floors that meet the requirements for load-bearing capacity and stability. Concrete floors are simply the easiest way to meet these requirements.

Despite its name including "spa" and "bathtub," a swim spa tub is not a device that can only be used under high water temperatures. In fact, in terms of technical structure and functional design, a swim spa tub can fully support normal operation even without heating or at low water temperatures.

Based on general usage patterns, most swim spa tubs typically require replenishing water as follows: • Add a small amount of water every 1–2 weeks • Or replenish when the water level drops significantly It's important to emphasize that: Replenishing water ≠ Changing water

In winter, the outdoor temperature is cold, but the constant-temperature hot water in the swim spa tub stimulates blood circulation, helping the body resist the cold and relieve stiffness. The contrast between hot water soaking and cold air enhances metabolism and promotes muscle relaxation.