Grout Refresh - Lowe's for about $10.00. Um why did I not know about this 2 weeks ago when I spent 2 days scrubbing my grout on my hands and knees?!! 15 Minute, Cleaning Grout, Grout Refreshing, Hydrogen Peroxide, Baking Sodas, Cleaning Organic, Bathroom Floors, 30 Minutes, Clean Grout
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51 Extraordinary Everyday Uses for Hydrogen Peroxide Categorized household, health, cleaning uses with descriptions.
Did not really like this. Did work. .. but messy! So it doubled my cleaning time... even tried it on my entryway floor and kitchen counters. How to Clean Grout with Hydrogen Peroxide and Baking Soda