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If you want to have a chemical-free spa, or if you are wondering how to keep your hot tub clean naturally, there are several options. Some individuals choose to run their hot tub without treatment at all and simply clean it more often (although you risk bacteria, fungi, and algae growth if you take this route); others use natural products like vinegar or Borax. Ozone, ultraviolet light, and electrolysis systems are also eco-friendly ways to have a clean hot tub without chemicals. Saltwater hot tubs are popular with people who are sensitive to chlorine, bromine, and other traditional hot tub chemicals.

Hot tub heaters typically last seven to 10 years, though some might only last five years if not properly maintained. You can maximize your hot tub heater’s lifespan by ensuring the water’s pH level is properly balanced.

Vinegar can be used as an all-purpose cleaner for many things, including hot tub filters. Soaking hot tub filters in vinegar and water for up to 24 hours can remove dirt and oil, and as a bonus, it won’t cause the water to foam after you reinstall it if there’s vinegar left on it. But make sure you still rinse it to remove any debris, dirt, or grime stuck on it.

Follow these general safety tips for spas and hot tubs:

• Keep your exterior electrical receptacles covered and dry, especially around your hot tub and pool during periods of use.

• Make sure you have a GFCI (ground fault circuit interrupter) properly installed to ensure no one gets accidentally shocked or injured by electrocution. 

• Don’t use the hot tub or your pool during a thunderstorm. 

• Before using the hot tub, have a certified electrician thoroughly inspect your hot tub and its wiring to make sure you’re in full compliance with all applicable local building codes.