Testing your water

Clear glass of water on a light wooden table beside an open book and sunglasses, with soft green background

How do you test water for bacteria at home?

Part of our water testing guide A pouch that turns purple or yellow is quick to read. What the colour means depends on how much water went in, how it...

How do you test water for bacteria at home?

Part of our water testing guide A pouch that turns purple or yellow is quick to read. What the colour means depends on how much water went in, how it...

A wine glass with water gently swirling inside, set against a clean light blue background

How do you test water hardness at home?

Ask your water company, because the Drinking Water Inspectorate (DWI) says that is how to get an accurate measurement. The DWI calls 200 to 300 mg/l (as calcium carbonate) hard...

How do you test water hardness at home?

Ask your water company, because the Drinking Water Inspectorate (DWI) says that is how to get an accurate measurement. The DWI calls 200 to 300 mg/l (as calcium carbonate) hard...

Clear water splashing around a drinking glass in cool blue tones, with droplets frozen in motion

What pH should drinking water be?

Between 6.5 and 9.5. The drinking water regulations for England, Wales, Scotland and Northern Ireland all list that pH range at the consumer's tap as an indicator parameter. United Utilities...

What pH should drinking water be?

Between 6.5 and 9.5. The drinking water regulations for England, Wales, Scotland and Northern Ireland all list that pH range at the consumer's tap as an indicator parameter. United Utilities...

Glass jug of clear water holding fresh flowers on a light wooden table beside a bright window

How to test your water at home

Dip a strip in a sample from your cold kitchen tap and match the colours after 30 to 60 seconds. That suits routine checks, not a legal result. The DWI...

How to test your water at home

Dip a strip in a sample from your cold kitchen tap and match the colours after 30 to 60 seconds. That suits routine checks, not a legal result. The DWI...