Forum Discussion

crcr's avatar
crcr
Explorer
Apr 06, 2014

Mineral Water Stains on Smooth Fiberglass Exterior

Hi, We bought a used TT recently, only 3 yrs old, but the previous owner left it sit in his driveway for a long time where the lawn sprinklers regularly hit the bottom couple of feet of the smooth fib...
Seeking Advice
westend's avatar
westend
Explorer
Apr 07, 2014
Jasco brand pre-paint cleaner and conditioner, TSP, vinegar, or anything with an acid base, preferably phosphoric acid. Water softener liquid conditioner really eats away mineral and rust but you're working with a strong acid. If used, obey all safety precautions.

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