Households

Strip test kit, ten tests

USD 9.00

Sold at what it costs us. Chlorine, pH, hardness and nitrate. Less precise than a laboratory and the app says so on every reading it produces.

Audience: Households
Account required: Not for households
Replies: 09:00 to 17:00, monday to friday

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Questions about the readings

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Where does the data come from?

About sixty-nine per cent from the utility’s own published test results, parsed daily out of the PDFs they are published in, and thirty-one per cent from households using strip tests. The two are never averaged together and every reading shows which it is.

How accurate is a strip test?

Much less accurate than a laboratory, and useful anyway. It tells you about one tap at one moment. The app labels every strip reading as such in the same size type as the reading itself, and researchers can exclude them in one filter.

What do the colours mean?

Green and amber follow the national drinking water standard for the determination shown. Grey means no reading inside thirty days, and thirty-one zones are grey today. We would rather show grey than a reassuring colour attached to an old number.

Is my water safe?

This app cannot tell you that and does not claim to. It shows what was measured, when, by whom and by what method. For anything you are worried about, a laboratory test of your own tap is the answer and we will tell you which laboratories are accredited for it.

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