How Do I Remove Stains From Vinyl Seats on My Boat?

Apply a small amount of ammonia on a clean sponge and gently rub the stained area to remove stains from vinyl seats on a boat. Rinse the area with a mild detergent and soap to remove ammonia traces.
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Apply ammonia on a clean sponge
Apply a small amount of ammonia on a clean sponge.
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Rub the stained area
Gently rub the stained area with the sponge to remove sunscreen or ink. Repeat this process until the stain disappears or until there is no more improvement. Be careful not to let the ammonia soak into the seat as this will damage the seat.
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Moisten the sponge with rubbing alcohol
If the stains are still not completely gone, rinse the sponge in water and moisten with a little rubbing alcohol. Rub the sponge over the stain until it disappears. Rinse the area immediately.
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Remove traces of ammonia
Remove all traces of ammonia from the seat by rinsing the sponge thoroughly and applying a mild detergent and soap.
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Wipe the seat
Rinse the sponge thoroughly and wipe the vinyl seat clean.
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Apply vinyl protectant
Using a cotton cloth, apply vinyl protectant to the seat once all the stains have been completely removed. Be sure to follow the manufacturers’ instructions when applying the protectant.