B. Sphaericus (ureolytic) and Bacillus Subtilis (non ureolytic)has been used in crack remediation as it can precipitate Calcium carbonate in presence of nutrient.

For non ureolytic, Calcium lactate is a rich source to produce CaCO3 on cracks. Can Calcium Lactate work for Ureolytic bacteria e.g B. Sphaericus as well or not for producing CaCO3?

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