Pool School Presentation PowerPoint Version -misprint on water quality slide: Pool Free Available Chlorine 1.0ppm - 8.0ppm; Spa Free Available Chlorine 2.0ppm-8.0ppm
Pool School Presentation PDF Version -misprint on water quality slide: Pool Free Available Chlorine 1.0ppm - 8.0ppm; Spa Free Available Chlorine 2.0ppm-8.0ppm
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