How long can you keep water in a cold plunge tub?

You can typically keep water in a cold plunge tub for about 1-3 weeks, depending on usage and water quality. Factors such as exposure to sunlight, frequency of use, and the presence of organic materials can affect the water's cleanliness. For example, if the tub is used daily, keeping the water clean may require changing it weekly. Additionally, using a filtration system can extend the time between water changes. If you're using the Slanted-Edge Cold Plunge Tub by BEYOND MARINA, be aware that its insulation helps maintain temperature and cleanliness better than uninsulated tubs. Pro tip: Use a floating chlorine dispenser to help keep water clean longer. However, if you’re in a particularly hot climate, you may find that water quality declines more rapidly, necessitating more frequent changes.