Amazon.com: concrete cleaning brush
BOOMJOY Floor Scrub Brush with Long Handle -50" Stiff and Soft Brush, 2 in 1 scrape and brush,Tub and Tile Brush for Cleaning Bathroom, Patio, Kitchen, Wall and Deck 4.3 out of 5 stars 3,204 $16.99 $ 16 . 99 $19.99 $19.99