View single post by Dan Dettmann
 Posted: Mon May 15th, 2017 02:10 am
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Dan Dettmann

 

Joined: Wed Apr 5th, 2017
Location: Postville, WI
Posts: 95
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Mana: 
UV rays can do a number on polypropylene but fuel can also discolor them.Years ago, I used Mobil gas in my King Kart with a plastic tank (probably the same tank as yours) and after a while the tank had a bluish hue (Mobil gas was dyed blue back then). I'd try soaking the whole tank in hydrogen peroxide for a couple of hours, not more than that though since It can cause brittleness to develop.

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