![tried steam pressure, grout cleaner, as well as bleach + baking soda. any tips to remove these black/brown spots? : r/CleaningTips tried steam pressure, grout cleaner, as well as bleach + baking soda. any tips to remove these black/brown spots? : r/CleaningTips](https://preview.redd.it/tried-steam-pressure-grout-cleaner-as-well-as-bleach-baking-v0-jhqs8vpdgn891.jpg?width=640&crop=smart&auto=webp&s=bf15948eee17b08d8b8f35807ca1a8dbc2ccf8ea)
tried steam pressure, grout cleaner, as well as bleach + baking soda. any tips to remove these black/brown spots? : r/CleaningTips
![Dawn + white vinegar in a spray bottle. Let sit for 5 minutes. Sprinkle baking soda on grout lines, and scrub with boiling hot water. : r/CleaningTips Dawn + white vinegar in a spray bottle. Let sit for 5 minutes. Sprinkle baking soda on grout lines, and scrub with boiling hot water. : r/CleaningTips](https://i.redd.it/59yawfwtkmz91.jpg)
Dawn + white vinegar in a spray bottle. Let sit for 5 minutes. Sprinkle baking soda on grout lines, and scrub with boiling hot water. : r/CleaningTips
![How to clean grout: 'Guaranteed' method to effectively clean grout without causing damage | Express.co.uk How to clean grout: 'Guaranteed' method to effectively clean grout without causing damage | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/51/590x/secondary/Baking-soda-cleaning-tips-4272189.jpg?r=1662987094510)