I just added bleach to sanitize my water tank, and system, will drain and flush later. I also drained the hot water tank, and refilled with the bleach from the tank. When I drained the hot water tank ...
The Rotten Egg Smell comes from water that is high in sulfates. Dumping the water when your finished camping is a good idea. If you have Suburban heater with a magnesium rod, changing to aluminum rod may help a bit. Atwoods don't have any sacrificial rods.
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