Analyze disinfectants and sanitizers through QAC test papers in food service, healthcare, and water treatment. QAC test strips, also known as Quaternary Ammonium Compound test strips, are used to measure the concentration of quaternary ammonium compounds (QACs) in solutions. Caresource Global is a leading QAC test paper supplier and wholesaler, offering a comprehensive selection of testing solutions and strips for water, food and oil.