Reply to "Prepping roof for rust prevention before headliner install."

Phil UkMember

+1 on the phosphoric acid. If you live in an area where there is any dairy farming you can also use milkstone remover, used for cleaning out milking machines. Can be bought from farming supply shop, and is around £12 per gallon in the UK , so probably half the price in the US. Water it down about 50/50 then spray it on with a squirty bottle.

10/15/2112:01 AM

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