Cleaning tile- help!

Use TSP or a hom made cleaner of Dawn, Vinegar and baking sods. Find the recipe on Pinterest. You can also buy an industrial shower cleaner from janitor supply stores that works amazingly, though pretty smelly.

Try renting a steam cleaner.

Bar Keeper's Friend and a soft brush. or if its really stuck on..... Easy Off Fume Free Oven Cleaner in the blue can, vent room, wear gloves, mask and goggles and spray let set awhile then scrub away and rinse.

Use Mr. Clean Magic Eraser...it really cleans the grout.

Tile brush and baking soda. Rinse with vinegar, let foam, rinse again.

Try the steamer first! Then use more abrasive or chemical stuff.

Like all except renting a steamer, don’t uses magic erasers but will get some soon, will try the baking soda too. Thanks to all.

Here's an answer that might help - https://chascrazycreations.com/easy-eco-cleaning-hacks-on-a-budget-for-your-home/