High dilution 1: 40 parts water. Manufactured using only concentrated plant derivatives that are entirely non-toxic, even in concentrated form. Fast turnaround where immediate access and re-stocking is necessary. Ideal for use in professional kitchens or in food handling areas. Apply to all internal structures, walls, ceilings, floors and posts, manually through a knapsack sprayer or through a pressure washer, orchard sprayer or similar. Independently tested at 1:40 parts water against a wide range of organisms and has an effective kill rate against a wide range of bacteria including all types of salmonella, e coli, listeria monocytogenes and aspergillus.