| 摘要 |
PROBLEM TO BE SOLVED: To obtain an agent having high safety, preventing occurrence of sliminess, molds or blackening and having high effects on adsorbing and deodorizing of an unpleasant smell with cleaning effects and further long-term persistence. SOLUTION: This microbial removing agent for a drainage hole is characterized by including any one or more kinds of at least charcoal, bamboo charcoal and active carbon, composing a porous carrier dissolving or disintegrating with flowing water and further including at least one or more kinds of antimicrobial agents in the carrier.
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