T -N -T super conc. This super concentrate will give you incredible flexibility in your truck wash sales. Truck-N-Tuff is formulated to safely clean polished aluminum and painted surfaces on over-the-road tractors, trailers, and other types of commercial vehicles without damage when used as directed. This product will remove magnetic road film from trailers without brushing. It works in cold water as well as hot and rinses free at any temperature, designed for use in drive through washes. This 6 gals mixes to make 55 gals, this product can be metered from 1:2 for extreme soils to 1:9 for lightly soiled surfaces. Contains Sodium Metasilicate. 1 drum can make 9.