Efflorescence is everywhere!
It occurs when moisture in concrete and masonry migrates to the surface and carries salt minerals that react with air to create calcium carbonate. It is typically manifested as an unsightly, white chalky deposit on the surface. And it can be difficult to remove. Very difficult.
• 6 – 8 oz (178 to 236 ml) Liquid per 100 lbs. (45 Kilos) of cement for a 3:1 sand/cement ratio
• 8 – 10 oz (236 ml to 296 ml) Liquid per 100 lbs. (45 Kilos) of cement for a 5:1 sand/cement ratio
• 3 – 4 oz (89 to 118 ml) Powder per 100 lbs. (45 Kilos) of cement for a 3:1 sand/cement ratio
• 4 – 5 oz. (118 ml to 148 ml) Powder per 100 lbs. (45 Kilos) of cement for a 5:1 sand/cement ratio
• Powder may be added to the dry mix. A thorough mixing is required to yield the guaranteed result
** Note** Mix ratios are approximates and may vary due to the mix and aggregates used. Certain mixes vary in salt and
contaminant content. Generally, for more problematic mixes no more than 14 oz per 100 lbs. of cement is necessary.