try this recipe: https://www.craftylittlegnome.com/the-best-homemade-grout-cleaner/
Soap scum or mold or mineral deposits?
I would use a lot of ventilation, as Lyme Away & CLR fumed are horrible.
Wear PPE & old clothes.
Hi Linda. I like to mix simple green and water. Then I scrub the grout lines. There is a smaller scrub brush made just for that. After I have finished I wipe up any excess water and then use a steam mop over the entire floor. Good Luck!
Hi Linda - This is the shower cleaner that we use to help keep grout and tiles clean and minimize the mildew - it works on kitchen grout too. Hope this helps! Hugs, Holly
PS - We have a FREE eBook with recipes for all of my homemade and all-natural cleaners. You can download it here --> https://pinkfortitude.com/thank#GreenClean