Simply put, it means you get a whole lot of cleaner in one bottle or jug. A concentrate is something that must be diluted. For Eco Orange, water is needed to activate the product. Your bottle or jug of Eco Orange came with dilution directions on the label. For example, when cleaning kitchen countertops, you would use 1 part Eco Orange and mix with 15 parts water. We recommend you purchase a cheap spray bottle, use a Sharpie to label it, and make your Eco Orange mixture.
A 1 quart bottle (32. fl. oz.) of Eco Orange can make approximately 15 quarts of solution. That’s more than enough to last a year or two.