Yieryi Professional EC/PH&TEMP 3 in 1 PH Monitor Digital Water Quality Tester Pen Type Acidometer Drink Water Quality Analyser

-0.2%

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1

0

Yieryi new digital water tester 4 in 1/3 in 1 test ec/tds/ph/temp water quality monitor tester kit for pools drinking water

1

1

-2%

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1

1

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0

0

-2%

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2

1

-4%

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1

1

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0

0

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2

1

-23%

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1

2

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0

0

-3%

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-3%

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1

1

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0

0

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0

0

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1

0

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0

0

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1

1

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0

0

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1

0

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1

0

-4%

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0

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-9%

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3

3

5.0

Incomplete data

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0

-0.5%

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0

-10%

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0

0

-8%

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0

1

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0

0

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0

1

-16%

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1

3

5.0

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0

0

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3

3

4.7

-22%

Professional digital water tester 3 in 1 test tds/ph/temp water quality monitor tester kit for pools drinking water

1

1

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0

0

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1

3

5.0

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1

0

-5%

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0

1

-0.9%

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1

1

-0.8%

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1

-3%

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0

0

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0

0

Incomplete data

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0

0

-11%

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0

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-6%

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0

0

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1

1

-2%

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0

0