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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.

● For a 250-gallon spa massage bathtub, it is recommended to use about 2.5-5 ounces of chlorine-based shock agent. ● If the spa massage bathtub water quality is poor, or shocking has not been performed for a long time, the dosage can be appropriately increased to about 6 ounces.

Generally speaking, a good quality massage spa tub jet can last anywhere from 5 to 10 years with normal use and proper maintenance. This expected lifespan is mainly affected by factors such as manufacturing materials, frequency of use, water quality conditions, and maintenance level.

Generally, the standard size of a double outdoor garden hot tub is roughly between 1.5 meters and 2 meters, the width is about 1.2 meters to 1.5 meters, and the depth is usually between 60 and 90 centimeters.

The total current demand of the outdoor spa hot tub can be estimated as the sum of the current of the heater, water pump and other electrical equipment. Assuming the heater is 4,000W, the water pump is 2,000W, and the other equipment is 500W, the current demand is: Itotal​=18.18+9.09+2.27≈29.54 amps (A)