Disclosed is an antimicrobial laundry composition, formulated for washing clothes, comprising an antimicrobial amount of silver dihydrogen citrate and citric acid, and in emulsion, paste, gel, bar, tablet, spray, foam, powder or granular form. Also disclosed is a disinfectant surface cleaning composition comprising a disinfectant amount of silver dihydrogen citrate and citric acid, formulated for cleaning glass, floor, counter, bath, toilet bowl, sink, appliance or furniture, and in bar, tablet, spray, foam, powder or granular form. Additionally disclosed is an antimicrobial dishwashing composition, formulated for washing dishes, comprising an antimicrobial amount of silver dihydrogen citrate and citric acid, and a gelling or thickening agent.