Yellow powder in fresh water tank vent tube
I’ve owned my 1999 trailer for 8 years now. I start every spring with a flush out of the pink antifreeze in the plumbing, followed by a sanitation of the fresh tank and pipes with a quart of bleach mi...
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I, too, think it is likely pollen. And I absolutely agree that a quart of bleach for a 30 gallon tank is WAAAAY over to top. It will certainly burn the daylights out of anything in the tank. It also won't be kind to any rubber gaskets or seals in the system.
