Last Resort is designed to be used as an additive to ODORx Liqui-Zone and 9-D-9. Mixing: Add 3–6 ounces of 9-D-9 and 1–2 ounces of Last Resort to one gallon of lukewarm tap water. For dead body or skunk odors on colorfast structural surfaces, use 8 ounces of Liqui-Zone™ and 2 ounces of Last Resort per gallon of water. Application: Contact spray onto odor sources. Covers 500–750 square feet per gallon (50–75 square meters / 4 L of RTU) when applied with commercial airless paint sprayer or electric sprayer. For unusually heavy smoke odor, add up to 2 ounces of Last Resort to each gallon of 9-D-9 ready-to-use solution. Follow label directions for 9-D-9. For best results on smoke damaged structural surfaces, mix and apply the following deodorizing pre-sealer: Combine in an empty 5 gallon container: 1) One gallon (4 L) Unsoot #1 Encapsulant 2) One quart (0.9 L) 9-D-9 3) Five ounces (150 mL) Last Resort 4) Fill to 5 gallon mark with water. For complete instructions and safety data for this product, refer to the User Guide and Material Safety Data Sheet, available under the Documentation tab.