If the maintenance technical threshold and continuous labor intensity are used as the core evaluation criteria, the overall maintenance of the spa hot tub is more complicated; and from the perspective of structural stability and durability, the outdoor sauna room requires more protection and preventive maintenance.

High frequency use (daily or every other day): It is recommended to change the water every 3~5 days; Medium frequency use (2~3 times a week): It is recommended to change it every 7~10 days; Low frequency use (1~2 times a month): It is best to drain the water immediately after each use of the hydromassage jacuzzi tub.

Advantages of freestanding jacuzzi bathtub: 1. Diverse functions and strong comfort 2. Beautiful shape, enhance the style of space 3. Flexible installation and strong adaptability 4. Independent use and convenient maintenance 5. Suitable for high-frequency users Disadvantages of the freestanding jacuzzi bathtub: 1. It occupies a large space and has high requirements for the room type 2. High installation requirements and complex construction 3. High maintenance and cleaning costs 4. High water and power consumption 5. High initial purchase cost

An indoor sauna room refers to a closed heating space installed inside a building (such as a residence, villa, club, gym, or hotel, etc.) for sauna bathing experience. It raises the indoor temperature to 40℃~100℃ through heating methods (traditional steam, far infrared, carbon crystal electric heating, etc.)

Long-term exposure to hot water above 37°C will cause the skin's stratum corneum to soften and the sebum membrane to be damaged. If the attached matter is not washed off by showering and moisturizing care is not performed in time, it may cause: · Dry and tight epidermis; · More sensitive to external stimuli; · Repeated skin problems such as eczema and dermatitis.

·37°C~38°C: close to body temperature, relatively mild, generally recommended not to exceed 30 minutes; ·39°C~40°C: hotter, with a strong soothing and relaxing effect, it is recommended to control within 20 minutes; ·Above 41°C: higher risk, heart rate may increase, skin overheating reaction, not recommended to exceed 10-15 minutes