For over 60 years, HASA has been a trusted leader in keeping water safe, clean, and crystal clear. They specialize in producing high-quality liquid chlorine and acid—essential solutions for maintaining healthy swimming pools. HASA is committed to educating consumers by providing innovative solutions, resources, and tools that simplify pool maintenance and chemical balancing. HASA helps pool owners take the guesswork out of water care and maintain optimal pool conditions with confidence.