GUNK SWAB Concrete Cleaner, 25 lb Net Content, Pail Container, Powder Form, Yellow, Turpentine Odor/Scent, Compositions: Sodium Carbonate (Soda Ash), Sodium Metasilicate Pentahydrate, Flammability: 0, 21.11 lb/gal Density, 11.5 to 12.5 pH, 1.05 Specific Gravity
                    
                    
                    
                        
                          
                        
                    
                    
                      
                  
                 
                $71.99