The water temperature is typically maintained at 37–40°C. Full-body immersion causes peripheral vasodilation and accelerated circulation. This not only helps with overall relaxation but also improves nasal blood flow, gradually reducing swollen mucosa and alleviating nasal congestion.

If the swim spa tub is primarily used for aquatic exercise or rehabilitation training, the ideal temperature is 26°C–30°C. This temperature range helps maintain alertness, prevents overheating, and preserves athletic performance.

If multiple people use it daily, it is recommended to test and add chlorine as needed daily. If used occasionally, adding chlorine 2–3 times per week is sufficient. In summary, in most cases, it is recommended to test the water quality of a swim spa tub at least every 2–3 days and add chlorine as needed.

Most countries and regions have clearly defined maximum temperatures for hydrotherapy hot tubs. The U.S. Consumer Product Safety Commission (CPSC) recommends a maximum temperature of 104 degrees Fahrenheit to balance comfort and safety.

Installing a steam sauna at home allows for convenient use anytime, eliminating reliance on gym or spa opening hours. This convenience is highly appealing to busy individuals or those living in remote areas.

Yes, bacteria in spa hot tubs can indeed cause illness. These bacteria can enter the body through skin contact, inhalation, or mucous membrane infection, causing various health problems such as rashes, otitis externa, and Legionnaires' disease.