High Performance Concentrate Sealing Solution, 1 16 oz bottle makes 16 Gallons of the most effective, industry leading solution to solving troubled envelope sealing issues. Comes in an easy to dispense bottle. Just squeeze 1oz in to dispensing reservoir and add to one gallon of water. Whether you are using for high speed inserting, envelope sealing, stamp affixing or packaging tape dispensing, it seals tight every time. A combination of active ingredients fight bacteria and algae growth providing a cleaner, more productive moistening system. Our sealing solution is superior to e-z seal sealing solution, which is PB sealing solution. e-z seal solution is higher priced and does not use our deionization process which removes minerals and impurities. For best results it is recommended to mix with distilled water or deionized water.