- Mortar joints should be allowed to harden for at least 3 days
- Remove all large mortar dags with hand scraper
- Cover adjacent materials such as glass, metal and wood
- Saturate the brick wall with clean water
- Apply hydrochloric acid solution max 1:20 for light colored bricks and max 1:10 for dark colored bricks using low pressure
- Allow for sufficient dwell time
- Pressure rinse off acid solution with low pressure power water spray
- Repeats steps as necessary
- DO NOT use more than 1200 PSI for smooth bricks or more than 1800 PSI for textured bricks
- Use a 15 degree fan jet with nozzle no closer than 10 inches from brick surface
