![driveway - How can I remove chalk line stain and clean concrete residue? - Home Improvement Stack Exchange driveway - How can I remove chalk line stain and clean concrete residue? - Home Improvement Stack Exchange](https://i.stack.imgur.com/hBy9q.jpg)
driveway - How can I remove chalk line stain and clean concrete residue? - Home Improvement Stack Exchange
![Amazon.com: CHOMP! Concrete Oil Stain Remover: Pull It Out Removes and Cleans Oils, Greases from Garage Floors & Driveways 32 Fl Oz : Industrial & Scientific Amazon.com: CHOMP! Concrete Oil Stain Remover: Pull It Out Removes and Cleans Oils, Greases from Garage Floors & Driveways 32 Fl Oz : Industrial & Scientific](https://m.media-amazon.com/images/I/61RMPhp7r5L.jpg)
Amazon.com: CHOMP! Concrete Oil Stain Remover: Pull It Out Removes and Cleans Oils, Greases from Garage Floors & Driveways 32 Fl Oz : Industrial & Scientific
![driveway - How can I remove chalk line stain and clean concrete residue? - Home Improvement Stack Exchange driveway - How can I remove chalk line stain and clean concrete residue? - Home Improvement Stack Exchange](https://i.stack.imgur.com/LmbZS.jpg)