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Visit www.coronavirus.gov for Information on the Corona-virus disease (COVID-19) Pandemic.
If you do not understand these 3 words, google them: symptom, symptomatic and asymptomatic. Some of us were ignorant at Clarkson but not anymore.

How many young people under the age of 18 have died while having the Corona Virus in the state of California in the USA with a population of 39.5 million?
CDPH shows 79 as of September 20, 2022. This is 0.0002% of the California population. Have a health problem or over 80, yes it is dangerous but so is the Flu and Pneumonia.
Sweden with 10 million people never had any mask mandate and had the same results as the state of California! - - References: CDPH , Flu and Sweden

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Chlorine Meters

Displaying products 1 - 4 of 4 results
Hanna HI97771
Free and Total Chlorine Ultra High Range Portable Photometer
Clarkson Price: $276.00
Free and Total Chlorine Ultra High Range Portable Photometer
Clarkson HI97771
Free and Total Chlorine Ultra High Range Portable Photometer
Hanna Instruments HI97771
Hanna HI97771C
Free and Total Chlorine Ultra High Range Portable Photometer Kit
Clarkson Price: $429.00
Free and Total Chlorine Ultra High Range Portable Photometer Kit
Clarkson HI97771C
Free and Total Chlorine Ultra High Range Portable Photometer Kit
Hanna Instruments HI97771C
Tri-Meter Measures Turbidity, Chlorine, and Color TC3000we
List Price: $1,699.00
Clarkson Price: $1,359.20
You Save: $339.80 (20 %)
Tri-Meter Measures Turbidity, Chlorine, and Color TC3000we
Clarkson 1969-EPA
Tri-Meter Measures Turbidity, Chlorine, and Color TC3000we
Lamotte 1969-EPA
Tri-Meter Measures Turbidity, Chlorine, and Color TC3000wi
Clarkson Price: This item has been discontinued by the manufacturer
Tri-Meter Measures Turbidity, Chlorine, and Color TC3000wi
Clarkson 1969-ISO
Tri-Meter Measures Turbidity, Chlorine, and Color TC3000wi
Lamotte 1969-ISO