Cooper’s Best Deodorizing Packets from PolyJohn Enterprises give portable restroom operators an environmentally friendly option to control odors. Packets offer the ease and efficiency of an individually packaged deodorizer combined with a powerful green formulation of bacterial agents that dissolves waste and destroys odors. One packet is used per 5 gallons of freshwater to service the unit. They come 250 packets per case. 800/292-1305; www.polyjohn.com.