I didn’t get the help of the question I asked
Sorry you didn't get an answer. Here is some ideas for you. I have a lot of tile floors and once I clean the grout and it dries I seal it usually once a year. It helps with stains and grime.
Here ya go
I make a paste with Oxy Clean and use a toothbrush to scrub the grout. Works great for me. I have actually done it once then sealed it really well. Haven't needed to do it again
Lysol Lime & Rust Remover Toilet Bowl cleaner, comes in a black squirt bottle. Scrub with Scrub Daddy or Mr. Clean Magic Eraser.
Hi Shelley: Here are a couple of sites that may help:
Hope this helps. Good luck
this grout cleaner works great: https://www.craftylittlegnome.com/the-best-homemade-grout-cleaner/