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Deb_and_Ed_M's avatar
Deb_and_Ed_M
Explorer II
Oct 12, 2020

Mildew on popup tent insides

Just passing this along for others with the same problem - our new-to-us popup TC was heavily mildewed on the tent portion from being folded down while damp with condensation (it also doesn't have a vent fan, which I will solve with a new Fantastic Fan).

I bought a spray bottle of "X-14 Mildew Stain Remover" (made by the WD-40 folks). I've used this stuff for years on our boat interiors - you simply spray it on and walk away. It works better than anything else I've ever tried. No scrubbing; the bottle says to rinse, but IMO you only have to rinse surfaces your clothes might touch, like boat seats which I would wipe off with a wet towel. Stubborn spots? Spray it again - if it's mold, it will disappear.

Caveat: it smells strongly of chlorine - don't wear your nice clothes when applying; and protect fabrics (some will fade, some won't). Ventilate as much as possible - my "attack" was to spray-a-section-and-run. My camper tent parts went from dingy gray/black-mottled, to bright white. It looks like new again!

If your local hardware store doesn't have it - Amazon sells it. (I have no affiliation with the product other than a happy customer)
  • Dehumidifier is tops! I use one all the time in my camper due to the heavy, moist air here in southeast Texas. Also keep a bigger version going in my garage to protect my boat trailer and tools from rust.
  • Yes, it is a good product though corrossive due to chlorine content. Our hybrid is 20 years old and has original bunk end fabric in very good condition. It is this way because we always set up at home after a wet trip and run the electric water collecting dehumidifier. I have always thought these dehumidifiers should be built in as standard equipment