A Complete Guide to Sanitizing Your RV Fresh Water Tank

Keeping your RV’s fresh water tank clean and sanitized is crucial for ensuring safe drinking water during your travels. Over time, bacteria, mold, and other contaminants can build up in the tank, posing health risks. This guide will walk you through the steps to properly sanitize your RV fresh water tank, ensuring it is free from harmful microorganisms.

Why is Sanitizing Your RV Fresh Water Tank Important?

Sanitizing your RV fresh water tank is essential for several reasons:

• Health and Safety: Contaminated water can cause various health issues, such as gastrointestinal problems.
• Preventing Odors: Regular sanitization helps prevent unpleasant odors caused by bacteria and mold.
• Maintaining System Efficiency: Clean water tanks and lines ensure your RV’s water system operates efficiently.

When Should You Sanitize Your RV Fresh Water Tank?

It is recommended to sanitize your RV fresh water tank:

• At the start of each camping season.
• After returning from a long trip.
• If the water has an unusual smell or taste.
• If the RV has been unused for a prolonged period.

Steps to Sanitize Your RV Fresh Water Tank

Step 1: Drain the Water Tank

Start by draining all the water from your RV’s fresh water tank. Locate the drain valve and open it to let the water flow out. This step ensures that any contaminants are removed along with the old water.

Step 2: Prepare the Sanitizing Solution

To sanitize a 100-gallon tank, you will need a mixture of household bleach and water. The general ratio is 1/4 cup of bleach per 15 gallons of water. Here’s the formula:

For a 100-gallon tank: 100 gallons / 15 = ~6.67 | 6.67 x 1/4 cup = 1.67 cups of bleach

Always use unscented household bleach to avoid adding unnecessary chemicals to your water system.

Step 3: Add the Sanitizing Solution to the Tank

Pour the bleach-water solution into your RV’s fresh water tank. You can use a funnel to make this process easier. Ensure the solution is thoroughly mixed with the water in the tank.

Step 4: Distribute the Solution

Turn on the water pump and open all faucets (hot and cold) until you smell bleach. This step ensures that the sanitizing solution reaches all parts of the water system, including the pipes and faucets.

Step 5: Let It Sit

Allow the solution to sit in the tank and water lines for at least 4-8 hours. This duration ensures that the bleach has enough time to disinfect the tank and kill any bacteria or mold present.

Step 6: Drain and Rinse

After the solution has sat for the recommended time, drain the tank completely. Refill the tank with fresh water and run the water through all faucets until the bleach smell is gone. You may need to repeat this step a few times to ensure all bleach is flushed out of the system.

Tips for Maintaining a Clean RV Fresh Water Tank

Use a Water Filter

Install a water filter on your RV to remove impurities from the water before it enters the tank. This practice helps reduce the buildup of contaminants and keeps your water cleaner for longer.

Avoid Stagnant Water

Regularly use your RV’s water system to prevent water from becoming stagnant. Stagnant water is a breeding ground for bacteria and mold.

Monitor Water Quality

Regularly check the water quality by inspecting the taste, smell, and appearance of the water. If you notice any changes, it may be time to sanitize the tank again.

Store Your RV Properly

If you’re storing your RV for an extended period, drain the fresh water tank and water lines to prevent bacterial growth. Store the RV in a cool, dry place if possible.

Conclusion

Sanitizing your RV fresh water tank is a crucial maintenance task that ensures safe and clean water for your travels. By following the steps outlined in this guide, you can effectively sanitize your tank and maintain a healthy water system. Regular maintenance and proper storage practices will help you enjoy fresh water on all your adventures. Remember, a clean tank is key to a safe and enjoyable RV experience!