The most common fiberglass structures that develop mineral deposits and buildups are tubs and showers. Mineral buildups can form over time from hard water and can generally be cleaned without damaging the surface of the fiberglass. When the wrong cleaners are used on fiberglass tubs or showers, the surface can become scratched or dull. Fiberglass requires a mild cleaner that's non abrasive to avoid causing further damage to the surface.
Things You'll Need
- Rubber gloves
- Mild tub cleaner
Put on rubber gloves and fill a bucket with hot water.
Read the manufacturer's instructions on the label of the cleaner and add the recommended amount of mild tub cleaner to the water.
Use a sponge to work up some suds in the bucket and firmly rub over the fiberglass surface. Use small circles to be sure you cover the area thoroughly.
Rinse the surface with a clean bucket of plain water. Rinse thoroughly to be sure all of the residue is completely gone.
Allow the piece to air dry. Buff it gently with a clean dry towel to remove any water spots.
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