Since a fiberglass shower is one prefabricated piece.
How to remove stains from shower floor.
Apply a small amount to the stain.
It can also be a major health concern for you and your family.
If the floor of your fiberglass shower is home to tough mildew stains you can remove them with chlorine bleach.
While you may not enjoy cleaning your shower letting it go means stains can build up inside it.
If all the water fails to drain completely out of the shower and instead pools on the floor the lining of the shower can begin to rust leaving a reddish brown stain.
For this method you ll need chlorine bleach and a non abrasive brush.
Mildew and mold can cause some frustrating stains that can make your shower floor look old and dirty.
The tile and glass for the shower is new but the pan is original 22 years old.
Allow the bleach to penetrate the stain for several minutes.
My fiberglass shower pan has a stain presumably from hard water that i cannot remove.
If necessary use a nonabrasive brush or cloth to scrub the stain.
Some marble may contain iron deposits.
If water leaches into the tile it can cause the iron to rust.
The wet humid conditions found in showers make it an easy target for rust and hard water stains.
How to clean stains from a fiberglass shower.
I have tried.
Mildew is unfortunately commonly found in and around the shower due to the moist environment.
Remove mildew with bleach.
Removing stains from fiberglass tubs and shower enclosures requires the right cleaning solutions and careful application to avoid damaging the finish.