For particularly difficult stains, spike the cleaning solution with larger doses of the cleaning solution than the directions recommend.
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Q4: Fresh paint can be removed using a
Q5: _ stains are usually difficult to remove
Q6: Green-stained brick often show no sign of
Q7: Generally, _ refers to a white, powdery
Q8: A masking solution of _ can be
Q10: Permanent removal of manganese stains is simple.
Q11: Masonry cleaning products can be corrosive and
Q12: The proprietary cleaner, SURE KLEAN 600 should
Q13: Manganese stains occur on mortar joints and
Q14: To remove _ stains, mix together 1
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