How do I clean grout?

Spray the grout down with hydrogen peroxide wait awhile and scrub with a toothbrush.

I love this tool - https://www.amazon.com/Rubbermaid-Reveal-Power-Scrubber-Grout/dp/B00IIVM2UE/ref=sr_1_1?ie=UTF8&qid=1481513388&sr=8-1&keywords=rubbermaid+grout+cleaner+brush

I use different spray cleaner with this and love it. I have used the cheap bleach spray from Walmart, soft scrub, etc.

vinegar and baking soda.....make a paste

Try a magic eraser; worked for me on floor tiles and around the silicone where the tub meets the floor.

I sprinkle with bicarb and then spray with vinegar, leave for a few minutes and then go over with a thin grout brush. Last rental i was in the grout that i thought was brown ended up being a nice cream.

We tried and tried to clean the grout in our floors...nothing worked - even the professional couldn't get it clean. While sometimes you can clean grout...there are other times when the only choice is to stain/paint it! We did that and our floors looks like we'd installed them new!!! It was amazing! You can see how we did it here - http://wespeakdiy.com/dirty-grout-lines/

I made an Oxy Clean paste with water and scrubbed it with a toothbrush. Wiped it off with a damp rag. Cleaned it right up. Forgotten how blue my grout actually was! Then sealed it well.

1. Remove surface dirt with hot water and a towel.
2. Mix together ½ cup baking soda, ¼ cup hydrogen peroxide, 1 tsp dish soap.
3. Spoon cleaning agents onto grout and let sit for 5-10 minutes.
4. Scrub the grout lines with a brush. ...
5. Wipe clean.

This is how I do it: How to Clean Grout

1. Remove surface dirt with hot water and a towel.
2. Mix together ½ cup baking soda, ¼ cup hydrogen peroxide, 1 tsp dish soap.
3. Spoon cleaning agents onto grout and let sit for 5-10 minutes.
4. Scrub the grout lines with a brush. ...
5. Wipe clean.