Efflorescence Test KIt contains a pint bottle of: EF-FORTLESS: A soap solution that melts powdery efflorescence and haze from cleanup. NMD 990 (NEW MASONRY DETERGENT): Is the safest, most effective and profitable way to clean new masonry. Calcite Presoak: This product is designed as a pre-soak softener to faciliatate quick removal of heavy calcite deposits on block, brick or concrete. White Scum Presoak: Designed as a pre-soak to facilitate quick removal of white scum on block, brick or concrete.