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According to the recommendations of most manufacturers and industry experts, hot tub filters should generally run at least 8-12 hours a day to ensure effective filtration and water quality maintenance.

After multiple surveys and market data analysis, Hot Spring is recognized as the world's top-selling hot tub brand. Hot Spring is a brand under Watkins Wellness. Since its establishment in 1977, it has become a leader in the global hot tub industry.

Plug and Play Hot Tub, as the name suggests, refers to a hot tub that can be used without professional installation and can be plugged into an ordinary household power outlet. This type of bathtub usually uses a standard power supply of 110V or 120V.

A swimming pool is a large pool dedicated to swimming and other water activities. The depth is generally between 1.5 meters and 3 meters. Swim spa hot tub is a comprehensive pool that combines swimming and hydrotherapy. The depth is between 0.8 meters and 1.3 meters.

The size of the hot tub directly affects the number of nozzles. Generally speaking, small bathtubs (such as two-person hot bathtubs) are usually equipped with 5-10 nozzles, while large bathtubs (such as six-person hot bathtubs) may be equipped with 20 or even more nozzles.

Taking into account the simultaneous use of up to 6 adults (each with an average weight of 70 to 90 kg), the total weight in use increases further. If the average weight per person is 80 kg, the total weight for 6 people is 480 kg. Therefore, the total weight in use may be between 1880 and 2780 kg.

The top 5 best American-made hot tub brands: 1. Hot Spring (brand founded in 1977), 2. Jacuzzi (brand founded in 1956), 3. Caldera Spas (brand founded in 1976), 4. Sundance Spas (brand founded in 1979), 5. Bullfrog Spas (brand founded in 1996).

Top five best hot tub chemical brands: 1. Leisure Time brand, 2. SpaGuard brand, 3. Clorox Pool&Spa brand, 4. Baqua Spa brand, 5. Hot Spring brand.

The main parts of a hot tub include heaters, pumps, filtration systems, control panels, nozzles, and housings. Each part plays a vital role in the normal operation and user experience of a hot tub. Among them, heaters and pumps are the most critical and expensive parts.

Although direct evidence is limited, some studies and clinical reports indicate that public or unclean hot tubs may increase the risk of urinary tract infections. Hot tubs with pathogens, especially those in public places, are more likely to cause infection.

The dimensions of a hot tub are usually expressed in length, width, and height. For a 6-person hot tub, the general size range is as follows: ● Length: about 80 to 90 inches (203 to 229 cm) ● Width: about 80 to 90 inches (203 to 229 cm) ● Height: about 34 to 38 inches (86 to 97 cm)

The design and use characteristics of hot tubs make them an ideal environment for the growth of Legionella. Legionella grows most vigorously in the temperature range of 25-45 degrees Celsius, and the water temperature in hot tubs is usually within this range.