Yes, repellents do not stain or damage most decks or patios. To be certain no staining occurs, test the product on a small area in an inconspicuous spot, by spraying liquid repellent thoroughly until the product runs-off. After testing, if structure staining occurred, try to use only as a perimeter treatment using a granular repellent or liquid without direct contact to that structure.
The product is called No Escape Mouse Magic. It is made from natural ingredients that trigger escape and avoidance behaviors in mice. It is packaged in convenient “scent packs” that resemble tea bags. These “scent packs” can be placed at strategic locations where mice like to enter dwellings.
Molemax can be used around the perimeter of a vegetable garden, but not in the vegetable garden.