How to clean unsealed brick to remove stains
- Pour a gallon of undiluted white vinegar in a 2 gallon bucket
- Using a big, jumbo size sponge soak it in the vinegar, don't wring it out.
- Soak the nsealed brick with it repeatedly
- Let the brick dry and then scrub with a stiff brush - a scrub brush is perfect
- Still got stains? Repeat the procedure
- Once the brick is cleaned up, hose down the area with water
- If necessary, repeat the entire process