This is how I managed to get some really disgusting old green paint (30+ years) off the brick work on the front of a house. This was the best stuff I found to do the job as a DIY'er so just wanted to share it. Below are LINKS to the product I used on Amazon. Thanks for watching.
US https://amzn.to/3FepbYj (Tester Kit)
UK & EU https://amzn.to/2WADwNo