People who are not suitable for whirlpool spa hot tubs: 1. People with heart disease: The stress of whirlpool spa hot tubs on the cardiovascular system 2. People with high blood pressure: Hidden dangers caused by blood pressure fluctuations 3. Pregnant women: The effects of high temperature in whirlpool spa hot tubs on the fetus 4. People with diabetes: Temperature regulation and nerve damage problems 5. People with epilepsy: Risk of seizures and safety hazards 6. People with skin diseases: whirlpool spa hot tubs may aggravate skin problems

Shock treatment is very effective in removing green matter, especially algae, from whirlpool spa hot tubs. But this requires the correct dosage, appropriate treatment methods and continuous maintenance of the overall water quality of the tub.

Generally speaking, the effects of shock treatment can usually be seen within a few hours, but it usually takes 12 to 24 hours to completely remove pollutants and restore water quality. If the water quality has become significantly turbid or has an odor, the treatment time may be extended to 24 hours or even longer.

Positive effects of soaking in a jacuzzi jetted bathtub on the body: 1. Promote blood circulation 2. Relieve muscle and joint pain 3. Improve sleep quality 4. Reduce stress and anxiety 5. Lower blood pressure 6. Enhance immune function

The water flow massage in the spa jacuzzi bathtub simulates traditional manual massage and can effectively relax muscle fibers and reduce tension in the muscles. In particular, the high-pressure water flow of the spa jacuzzi bathtub can have a soothing effect on muscle stiffness caused by sitting for a long time, after exercise or due to stress.

If the swim spa jacuzzi heater runs 4 hours per day and consumes 5 kWh of electricity per hour, the daily electricity consumption is 20 kWh. The monthly electricity cost is: 20 kWh per day x 30 days x $0.15 per kWh = $90/month.