Hydrachem Limited

Hydrachem Limited is a UK-based company established in 1973, specializing in the formulation and manufacture of effervescent chlorine tablets. The company's core mission is centered on providing clean drinking water and effective disinfection solutions globally, making billions of liters of water safe to drink annually. Its operational headquarters are located in Billingshurst, West Sussex, UK.

Hydrachem's product portfolio includes a range of effervescent chlorine (NaDCC) tablets used for water purification, surface disinfection, and baby bottle sterilization. Key brands include Oasis Water Purification Tablets, Oasis Sterilising Tablets, and Cert™ disinfectant technology. The company also offers contract manufacturing services for other prominent brands in professional hygiene and serves various market segments including humanitarian aid, food safety, and animal health. Hydrachem partners with global organizations such as UNICEF, WHO, MSF, and the NHS.

Recognized as a leading manufacturer of effervescent chlorine tablets in the UK and a world leader in tableting technology, Hydrachem operates across 60 countries. In recent news, the company showcased its disinfection and hygiene solutions, including OASIS water purification tablets and Cert™ products, at WHX Cape Town in August 2025. Hydrachem has also emphasized the need for emergency water systems to be planned as resilient infrastructure rather than short-term aid, as highlighted in August 2026.