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Discuss Efflorescence, not loads you can do, other than sweep with a stiff brush, and wait. in the Business Advice, Tilers Van Insurance etc area at TilersForums.com.
No rain did have frost but slabs were coveredHi it was sealed 1 year after being laid had 24 hours dry time after pressure washed seal was nexus 420 Pro cheers
Reply to Efflorescence, not loads you can do, other than sweep with a stiff brush, and wait. in the Business Advice, Tilers Van Insurance etc area at TilersForums.com