Terry Arko has more than 40 years of pool, spa and hot tub product experience and is one of the industry’s most knowledgeable sources regarding sodium hypochlorite water treatment protocols. He is a widely respected technical strategist and educator with specific experience in service, repair, retail sales, chemical manufacturing and product development. He is a Certified Pool & Spa Operator and CPO Instructor credentialed through the Pool & Hot Tub Foundation.