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wooden decks are generally required to be designed to withstand a load of approximately 300 to 500 pounds (approximately 136 to 227 kilograms) per square foot. This means that the average weight distribution of a hot tub with an area of ​​2.5 square meters will fall between approximately 120 and 180 kilograms per square foot, which is already beyond the load-bearing standard of ordinary decks.

Symptoms of a broken hot tub heater: 1. The water temperature does not rise or is erratic 2. Abnormal temperature display 3. No noise or abnormal noise from the heater 4. Tripping or power outage 5. Abnormal water quality

Medical necessity means that the treatment or device is prescribed by a doctor to treat, diagnose, or prevent a certain disease or symptom. In other words, if a hot tub is proven to be "necessary" for the treatment of arthritis and there are no other more appropriate treatment options, then the insurance company may consider paying for it.

Hot tub stabilizers, as the name suggests, are devices that help maintain the chemical balance in water. Generally, the function of stabilizers is mainly focused on regulating the concentration of chlorine and other disinfectants in water to ensure water quality safety and prevent the growth of harmful microorganisms.

the inner walls and plumbing systems of a whirlpool bathtub are made of specific materials. Although these materials have a certain degree of durability, they may still be corroded to varying degrees when exposed to strong oxidants. The sodium hypochlorite in bleach can react chemically with materials such as plastic and rubber, causing the materials to age, become brittle, or even crack.

The fastest way to cool down a hot tub: 1. Turn off the heater and heating function 2. Refill the tub with cold water 3. Use a cooling device or ice cubes 4. Maintain good water circulation 5. Cover or avoid direct sunlight 6. Use fans or air circulation to speed up cooling

Prolonged exposure to hot water can damage the stratum corneum, the skin's natural barrier. Hot water dissolves the natural oils on the skin's surface, damaging the skin's moisture barrier. This causes water to drain quickly from the skin, leaving it dry, tight, and even cracked. This dryness may be accompanied by itching and tingling, especially in people with sensitive skin.

After taking a jacuzzi, the following substances may remain on the surface of the skin: 1. Disinfectants (such as chlorine or bromine) 2. Dissolved dirt and grease 3. Microscopic pollutants in the environment Taking a shower immediately can effectively remove these residues and reduce their impact on the skin, especially for people with sensitive skin. This step is particularly important.

The water jets of outdoor massage bathtubs can usually focus on specific parts of the body to relieve pressure points in the waist, neck or shoulders. For patients with herniated discs, water massage can effectively act on the painful area and help relieve local pain caused by nerve compression.

If the outside temperature drops below -10°C and the unit is not in operation for a long time or the power is lost, the water in the hot tub pipes will face a high risk of freezing.