Another common misconception is that people may mistakenly think that they are "burning fat" because of the heavy sweating during a whirlpool spa hot tub. In fact, sweating is mainly the body's way of expelling excess water from the body to regulate body temperature, and it is not a direct consumption of fat.

Pros of using a whirlpool spa hot tub in the morning: 1. Wake up the body and enhance energy 2. Relieve morning stiffness and pain 3. Promote metabolism Pros of using a whirlpool spa hot tub at night: 1. Promote relaxation and relieve stress 2. Improve sleep quality 3. Relieve muscle soreness after exercise

Copper is a very common mineral found in tap water, plumbing systems, and some whirlpool spa hot tub equipment. When the copper level in a whirlpool spa hot tub is too high, the copper ions dissolve in the water and react with other chemicals in the water, eventually causing the water to take on a green tint.

Studies have shown that a moderate drop in body temperature before falling asleep helps promote sleepiness. Therefore, during this period after soaking in a whirlpool spa hot tub, the human body is more likely to enter a state of preparation for sleep due to the drop in body temperature.

Generally speaking, in a 30-minute whirlpool spa hot tub, you can burn an average of about 70 to 100 calories. This consumption is equivalent to the energy consumption of walking or doing low-intensity light activities.

Many people may hope to burn calories and achieve weight loss by soaking in a whirlpool spa hot tub, but in fact, the calorie consumption of the whirlpool spa hot tub is very limited.