Odorcide 210 Original, 1-Gallon Concentrate is the largest size of original Odorcide odor-fighting formula and makes up to 256 gallons of useable Odorcide to truely eliminate strong, foul odors including smells from garbage, urine, smoke, mold and more. Original Odorcide is a strong, safe odor neutralizing formula that completely eliminates a wide range of odors on carpeting, upholstery and hard surface floors. Odorcide will not harm any water-safe surface and can be used for one-time odor removal or ongoing maintenance of malodors. Large commercial facilities or those that have more odor issues, will benefit from this large 1-gallon bottle of concentrated Odorcide Original formula. Dilution can be increased or decreased based on the intensity of the odor that needs to be removed. Dilute Odorcide 210 from the 1-gal container in a spray bottle, carpet cleaning machine, floor autoscrubber or in a bucket diluted with water for use. Typical use will require 1/2-ounce concentrate per gallon of water. Concentrated Original formula Odorcide 210 has a strong scent yet leaves a mild pleasant smell in the air and on the treated surface after being diluted with water for use. Also available in a 16-ounce Concentrate accu-mix.