Your RV’s holding tanks need to be maintained properly for you to enjoy camping to its fullest. This is especially true for your source of fresh water in your RV. Your freshwater system not only needs to work right, but it needs to be clean too.
How Often Should You Sanitize Your RV Fresh Water Tank?
Each year, usually in the spring when you get your RV out of storage, you should sanitize the fresh water system. This is a routine maintenance task to guarantee you have safe water for drinking, showering, dishwashing, and doing laundry on the road.
While you can pay a professional to sanitize your RV fresh water tank, there’s really no need. It doesn’t require any special tools and you can do it with bleach or a more environmentally-friendly cleaning solution if you prefer.
How To Sanitize RV Fresh Water Tank with Bleach
To sanitize your RV water tank, all you need is a measuring cup, a funnel, and some household bleach. From there, just follow these step by step instructions:
Step 1: Turn Off Your Water Heater and Water Pump
PC Camping World via YouTubeDraining your freshwater system with the water heater on can damage the water heater tank. Turn off your water heater and let the water in the tank cool before you drain it. If your RV is equipped with a water heater bypass switch, use it to prevent the bleach solution from entering your hot water tank.

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