Maintaining Tile Countertops

Uuse plastic cutting boards and to clean use soft scrub.

There is a grout sealer on the market that will help wonderfully - I know it's at Lowe's and Home Depot. Use as directed.
Some grout with synthetic ingredients will discolor with use of bleach. So be sure and get that sealer on ASAP.
good luck

Here is a picture of the countertops. Don't look at the clutter on the second shelf as I am still getting everything organized.

Don't drop anythng on them!

Just keep them clean and dry in general and when the grout does start looking dark/dirty just scrub the grout with baking soda and a pinch of water and a vinegar wipe after for sanitizing :-)

I would love to see a picture of your counter tops. What a neat idea!