Do not unwrap tablet. With dry hands, remove the tablet from the container and place it in the detergent dispenser. The tablets are designed to release their contents when they come into contact with water. The film is biodegradable and will dissolve in the machine. Do not overload the machine. Use dishwasher according to manufacturer---s instructions. The performance and efficacy of cleaning products varies according to water hardness. Suitable for use with septic tanks.