As per your request I just tested the swimming pool and our city water using the new HTH 6-Way: Swimming Pool: Alkalinity 60, Hardness 0 (the drops did not turn the water red at all), CA 70, PH 6.8 and Chlorine dark orange. We didn't get the distilled water so we couldn't test the PH using it. City water results: Alkalinity 100, Hardness 170, CA 0, PH 7.2 and Chlorine .5 or less. There have been no chlorine tablets in the skimmer for about 36 hours and the test results are the same!