Harvard Chemical Research De-Zov-All biodegradable citrus based solvent. De-Zov-All is a safe, citrus solvent-based product for use on all types of surfaces to instantly remove ink, tar, asphalt, gum, wax, grease, soap scum, adhesives, and much more. This unique formulation can also be used in sinks, grease traps, and drains to prevent or remove grease buildup or bad odors from solid waste. This product is specifically designed to be versatile in application and allow for multiple areas of use such as residential, commercial, industrial, and institutional facilities. De-Zov-All is completely organic, a great alternative to harsh solvent cleaners, and is environmentally friendly. This product can be used full strength or used 1 part per 20 parts water. When used undiluted, this product quickly removes gum, wax, asphalt, tar and adhesives. By diluting 1 - 30 it makes a wonderful general-purpose neutral pH cleaner for just about anything including stainless steel, floors and walls. For grease traps and drains pour full strength into opening furthest from street outlet and allow to soak. This product is 100 percent active. 100 percent organic and all natural. Economical and highly concentrated. Pleasant citrus fragrance. Versatile in application and dilution. Alternative to harsh solvent cleaners. Biodegradable. Appearance: amber liquid. Odor: orange/citrus. Specific gravity: 0.823. pH: 8-9. Detergency: excellent. Size: 1 gallon capacity. Safety: Keep out of the reach of children! Contains no petroleum distillates. If swallowed, do not induce vomiting. Get medical attention immediately, in case of excessive skin contact, wash with soap and water. In case of eye contact, flush with water for 15 minutes and get medical attention. Care should be taken when using this product undiluted as staining or delamination could occur.