Eliminate hardened concrete on your equipment with Crete-Buster. Crete-Buster is an environmentally-safe concrete removal product that works even on hardened concrete. Simply add water to the concentrated solution, and it's ready to use. Crete-Buster now ships as a non-hazardous material formulation and in concentrated form, which saves money on transportation costs. Crete-Buster is hard on concrete but safe on paint, metal, glass and rubber. Don't miss these benefits: -Ships as a non-hazardous material formulation. -Concentrated formula saves you money on transportation. -Ready to use - just add water.