Recommended Temperature Range for Swim Spa Tubs In winter, the ideal water temperature range for most swim spa tubs is 28℃～34℃. This range balances swimming training, hydrotherapy relaxation, and personal comfort.

From a scientific and safety perspective: • Problems may not be apparent in the short term. • Risks will gradually accumulate in the long term. • Once problems arise, they are often more difficult to handle. Therefore, completely avoiding chemicals is not suitable for long-term, stable use of a spa hot tub.

When the body enters a spa hot tub, the skin first comes into contact with a stable and evenly distributed body of warm water. During this stage, the body will immediately exhibit the following reactions: • Dilation of skin blood vessels • Increased superficial blood flow • Stimulation of nerve endings by warmth

The safe and effective free chlorine concentration for a spa hot tub is: • 1–3 ppm (parts per million) – Ideal range for daily soaking Therefore, even if you use a spa hot tub daily, it does not mean you must add chlorine every day. Maintaining the correct concentration is more important than frequency.

Step 1: Stop using and turn on the circulation system Step 2: Physical cleaning Step 3: Test the water quality at the jacuzzi swim spa and adjust the pH Step 4: Perform a shock treatment Step 5: Add algaecide Step 6: Re-clean the filtration system Step 7: Test and adjust the chlorine concentration

If you plan to use the tub the next day (e.g., early morning or morning): It is recommended to maintain the swim jacuzzi tub temperature at 30℃–34℃. This ensures rapid heating to the ideal operating temperature the next day, eliminating long waiting times and preventing excessive energy loss.