Fiberglass tubs can be cleaned with baking soda, water, and distilled white vinegar, says Dills. Avoid using acidic cleaners ...

However, cleaning your bathtub is crucial ... “Let it sit on the stain for at least an hour, then scrub and rinse.” Do not use baking soda on fiberglass, as it can scratch the surface.

For stubborn stains and discoloration ... as they can cause irreversible damage to the acrylic tub liner. Clean fiberglass bathtubs with dish-washing liquids, liquid laundry detergents or non ...

Instead of reaching for a potentially toxic cleaning product to rid yourself of stubborn bathtub stains, try a gentle cleaner like old-fashioned, yet totally effective Bon Ami. This powder has no ...