PowrX non-formaldehyde liquid portable restroom treatment from CPACEX is a biodegradable, environmentally friendly option for controlling odors in all conditions and temperatures. These concentrated formulations offer maximum protection and are safe to use in all types of self-contained sanitation systems. The formulations contain nonstaining blue dye and are available in a variety of fragrances. 800/974-7383; www.cpacex.com.