You might try some method of steam, I detail a huge gym and have been researching the best way to clean grout and shower stalls and steam they say is the only way to remove build up like this. google "hand held, steam cleaners".
If the glazed has been worn off, then the bottom is porous and the stains seep down in the concrete. May want to contact a professional and see what they suggest.
I agree with John about Barkeeper's Friend. I've also successfully used Oxy Clean (a paste made from the powder) or Ceramabryte, which is a product used to clean glass stove tops. I've found it works on other things, too, without scratching.
I would try a Mr.Clean spounge pad first. If that didn't work I would get Sno-bowl toilet bowl cleaner and a brush after it. Let it sit on it for a while, scrub it and turn the shower on and rinse. try to avoid inhaling fumes. Open a window and wear rubber gloves. Have you tried CLR? that might work to.
You might want to try TSP. You can find it at Lowe's or other hardware stores. Sometimes Wal-Mart. Follow the directions. It worked on the pool bottom so at my wits end, I tried it on the shower floor drain and it took off the built up lime and soap scum. Depends on the sealant on the shower floor.
I'm remodeling my kitchen and need to match the existing texture. The existing texture is old and thick. I only have experience with spray can orange peel.
I'm talking about Chalk Paint not chalkboard paint. I distressed some old terracotta pots with a mixture of chalk paint colors that I want to put outside but I'm not... See more
Janet Pizaroon Oct 14, 2017hydrogen and peroxide mixed with baking soda,baking soda and lemon juice
Johnavallance82on Oct 14, 2017Try Barkeeper Friend and a Nailbrush
Lindsay Cloaron Oct 14, 2017You might try some method of steam, I detail a huge gym and have been researching the best way to clean grout and shower stalls and steam they say is the only way to remove build up like this. google "hand held, steam cleaners".
Chubby58on Oct 14, 2017If the glazed has been worn off, then the bottom is porous and the stains seep down in the concrete. May want to contact a professional and see what they suggest.
Ellison Oct 14, 2017I agree with John about Barkeeper's Friend. I've also successfully used Oxy Clean (a paste made from the powder) or Ceramabryte, which is a product used to clean glass stove tops. I've found it works on other things, too, without scratching.
Karen Tokarseon Oct 14, 2017Try THE WORKS Bathroom Cleaner. This stuff is amazing.
Jenneyon Oct 14, 2017I would try a Mr.Clean spounge pad first. If that didn't work I would get Sno-bowl toilet bowl cleaner and a brush after it. Let it sit on it for a while, scrub it and turn the shower on and rinse. try to avoid inhaling fumes. Open a window and wear rubber gloves. Have you tried CLR? that might work to.
Brenda Smithon Oct 16, 2017I have a massive rust color stain my shower. I used lime away, that helped but CLR made it run down the walls. It wasn't tile and grout though.
Carolon Oct 16, 2017You might want to try TSP. You can find it at Lowe's or other hardware stores. Sometimes Wal-Mart. Follow the directions. It worked on the pool bottom so at my wits end, I tried it on the shower floor drain and it took off the built up lime and soap scum. Depends on the sealant on the shower floor.
Fauxgalon Oct 16, 2017I would try OcyClean. Let it sit in a paste on it for a few hours.
