This powerful disinfectant cleaner is formulated with the optimal ratio to quickly eliminate mold and provide fast cleaning. It effectively removes black mold stains and prevents mold growth, with one application lasting 2-3 months (possibly 1-2 months in damp New Zealand winters). It's safe and easy to clean, and it rapidly breaks down with no chemical residue, ensuring cleanliness and health. Japanese products are known for undergoing rigorous testing, so you can trust their quality and effectiveness.