This duration allows the bleach to thoroughly disinfect the tank and water ... depending on the source of your water (city water vs. well water). Refer to your RV manual for specific instructions.

“The easiest way is to plug the sink, fill it with hot water and two tablespoons of bleach, then let it sit for 10 minutes,” Roewer says. “Then use a clean cloth to wipe down the faucets and ...