Under certain conditions, brief, mild dizziness is a normal physiological response that may occur. When you soak in a hot spa tub at a high temperature (typically 37°C to 40°C) for an extended period, your body undergoes the following changes: • Vasodilation • Drop in blood pressure • Redistribution of blood flow • Fluid loss

In winter, the outdoor temperature is cold, but the constant-temperature hot water in the swim spa tub stimulates blood circulation, helping the body resist the cold and relieve stiffness. The contrast between hot water soaking and cold air enhances metabolism and promotes muscle relaxation.

Yes. Soaking in a spa hot tub for two hours consecutively may offer psychological and muscular relaxation benefits, but it also carries health risks such as dehydration, dry skin, cardiovascular strain, and dizziness.

For most home and luxury swim spa tubs, a concrete slab is the safest and most reliable foundation. A concrete slab prevents damage from tilting, settlement, and vibration, extending the lifespan of the equipment.

If the swim spa tub is primarily used for aquatic exercise or rehabilitation training, the ideal temperature is 26°C–30°C. This temperature range helps maintain alertness, prevents overheating, and preserves athletic performance.

If multiple people use it daily, it is recommended to test and add chlorine as needed daily. If used occasionally, adding chlorine 2–3 times per week is sufficient. In summary, in most cases, it is recommended to test the water quality of a swim spa tub at least every 2–3 days and add chlorine as needed.