METHOD FOR SUPPRESSING BACTERIA IN SANDBOX

摘要

PROBLEM TO BE SOLVED: To provide a frequently and safely applicable method for suppressing the proliferation of bacteria in the sand of a sandbox of a park, and the like, and safe to children playing in the sandbox. SOLUTION: Bacteria in the sand of a sandbox are suppressed by mixing an alkali metal carbonate or bicarbonate into the sand in an amount of 0.5-5 wt.% based on the sand.