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Terry Arko

Recreation Water Specialist, NC Brands L.P. / Natural Chemistry / SeaKlear
WAHC Speaker Terry Arko

Terry Arko has more than 40 years’ experience in the swimming pool and spa industry, working in service, repair, retail sales, chemical manufacturing, technical service, commercial sales, and product development. He has written over 100 published articles on water chemistry and has been an instructor of water chemistry courses for over 25 years. Terry currently serves as an observer member on the Pool & Hot Tub Association (PHTA) Recreational Water Quality Committee (RWQC) and is a member of the Council for the Model Aquatic Health Code (CMAHC).  Terry is currently working as a Product Training Consultant for HASA Pool makers of HASA Sani-Clor. He can be reached at