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The water temperature of most outdoor hot bathtubs can be adjusted according to the needs of users, and the general temperature range is between 37°C and 40°C (98°F to 104°F). But it should be noted that this does not mean that everyone is suitable for bathing in this temperature range.

Disinfectants are key to keeping your outdoor jacuzzi bathtub clean. The most common disinfectants include chlorine and bromine, which work by killing bacteria, viruses, and algae in the water.

According to conventional calculations, 1 gallon of water weighs approximately 8.34 pounds (about 3.78 kilograms). Therefore, we can easily calculate the total weight of 300 gallons of water: 300 gallons × 8.34 pounds/gallon = 2,502 pounds. This means that 300 gallons of water weigh approximately 2,502 pounds, or about 1,135 kilograms.

while the jets can speed up the circulation of water to some extent, their effect on raising the water temperature is not obvious, and in some cases, it may even extend the heating time.

To put it in context, the total weight of an outdoor hot water bathtub filled with water and carrying multiple people can easily exceed 4,000 to 6,000 pounds (1814 to 2721 kg), or even more. This puts the weight density of the outdoor hot water bathtub far beyond the standard load-bearing range that the deck is designed to bear for ordinary activities.

● If the space is small and you want to emphasize sociality: a round hot bathtub may be more suitable. ● If you pursue space utilization and personalized experience: a square hot bathtub may be more in line with your needs.

Most modern outdoor spa jacuzzi bathtubs have a multi-person design, which can accommodate multiple users at the same time, so it is completely feasible to use it with family and friends.

The roller bearing of the outdoor whirlpool hot tub is responsible for supporting the rotating parts. If the bearing fails, it will cause abnormal friction noise, especially when the water flows through the nozzle and massage system.

Bacteria are one of the most common health risks in spa bathtubs, especially in the environment of outdoor whirlpool hot tubs, because its humid and hot characteristics provide ideal conditions for the growth of bacteria. One of the most common bacteria is Pseudomonas aeruginosa, which is particularly active in hot tub water.

Most experts recommend that the soaking time in an outdoor jacuzzi bathtub should be controlled to about 20-30 minutes. This time period is the most beneficial to the body due to the water temperature, while avoiding the discomfort or health problems caused by long soaking.

If the outdoor whirlpool hot tub water temperature is high and the air temperature is also high, the chlorine may evaporate in just a few hours to a day. For example, over the course of a day's use, the water surface exposed to the air will accelerate the evaporation of chlorine, especially if the hot tub is not covered after use.

Hydrogen peroxide is available in a variety of concentrations, and the concentration commonly used in outdoor spa hot tubs is 35% food grade. This concentration can effectively kill bacteria without causing excessive irritation to the human body and the outdoor spa hot tub.