The water in your whirlpool spa hot tub needs to be tested regularly, especially for chlorine and bromine levels. These disinfectants effectively kill bacteria and viruses in the water. It's recommended to test the water's pH, chlorine, or bromine levels at least weekly.

The filter is a critical component of the outdoor spa water system, capturing impurities and maintaining clean water quality. To prevent the formation of film, users should clean and replace the filter regularly. When cleaning the filter, it's best to use a specialized filter cleaner and high-pressure water rinse to ensure thorough removal of grease and impurities from the filter element.

While the tub's main material is sturdy, it's inherently heavy, and the added weight of a full tub of water makes moving it even more challenging. While some small, simple spa hot tubs may be relatively lightweight, most commercially available outdoor spa hot tubs are quite heavy, requiring specialized equipment and personnel.

Reduced water flow is one of the most direct signs of a clogged filter. The proper functioning of a spa jacuzzi tub relies on strong water flow to ensure the massage jets and heating system function. If the filter is clogged, the water flow will be significantly reduced, and may even cause the jets to malfunction.

Experts generally recommend that pregnant women should not soak in a spa hot tub for more than 15 to 20 minutes. This is because prolonged soaking in hot water can cause a woman's body temperature to rise, increasing the risk of heat stroke. A 15 to 20-minute soak allows for the relaxing effects of hydrotherapy without raising her body temperature to dangerous levels.

If you recently added large amounts of chlorine or bromine to your spa jacuzzi and haven't had time for it to evaporate or neutralize, it's recommended not to use this water for watering plants. If you have high-value plants or plants that are sensitive to chemicals, it's best to avoid using spa jacuzzi tub water to avoid irreversible damage.