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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)
The freezing point of water is 32°F (0°C). When the outside temperature is lower than this point, the water will gradually freeze. In the use of an outdoor spa hot tub, if the water stays in the pipe without sufficient flow or heating, the water in the spa hot tub pipe will begin to freeze when the temperature drops below 32°F.
Hot tub disease (Hot Tub Lung), also known as "hot tub lung disease", refers to a lung disease caused by specific microbial infection or allergic reaction of the human respiratory system after inhaling water vapor or aerosol in a hot bathtub. It is a rare but real respiratory disease that is mainly related to a bacterial infection called "nontuberculous mycobacteria" (NTM).