Drinking water test kits
Test strips for tap and drinking water. See pH, hardness, chlorine, metals and more in about a minute: dip a strip, match the colours and know exactly what is in your glass. Testing before and after a filter shows you exactly what changed.
Test Strips
Water Test Kit
20-in-1 water test strips in a resealable pouch, with a fold-out colour chart and online results that explain every reading.
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Read the full guaranteeHow it works
Fill a glass
Fill a clean glass with the water you want to test.
Dip a strip
Dip one strip for 2 seconds, then shake off the excess.
Match the colours
Wait about 30 seconds, then compare against the colour chart.
Check online
Scan the QR code for an explanation of each reading.
Bacteria test (if your pack has one): add 2 ml of your sample to the sachet, seal it and lay it flat. Read the colour after 48 hours at room temperature, or 24 hours at 37°C. Purple means no coliform bacteria grew. Yellow means they did.
We're here to help.
Get in touch any time. We can help with everything to do with testing your water, including:
- Understanding your results
- Testing a private supply
- Orders and delivery
What does the kit test for?
21 analytes. One 20-in-1 strip reads pH, alkalinity, carbonate, hardness, salt, bromine, aluminium, iron, copper, lead, manganese, chromium, total and free chlorine, mercury, nitrate, nitrite, sulphate, zinc and fluoride, and the optional rapid test screens for bacteria. Dip a strip, wait 30 seconds and match the pads against the colour chart.
How do I check my results?
Scan the QR code on your instructions card, or go to waterkit.co.uk/results. Tap the colours you matched on the strip and the results portal explains what each reading means against UK drinking water standards, with clear next steps. Save your results and your next test shows what changed.
How accurate are test strips?
Strips use proven colour-match chemistry to read your water in seconds, and results come as clear ranges, which is exactly what you need for everyday checks and spotting changes early.
What's in the box?
Your chosen number of 20-in-1 test strips in a resealable pouch, the fold-out colour chart with the steps on the back, and access to the online results portal. Bacteria packs also include a rapid coliform bacteria test.
How often should I test my water?
Little and often. Drinking supplies roughly once a month, straight away after plumbing work or moving in, and any time the taste, smell or look changes. A strip takes seconds, so testing often is easy.
Does it work on a private water supply?
Yes. Wells, boreholes and springs are exactly where regular testing earns its keep, because no water company is checking the supply for you. The kit covers the metals, nitrate and nitrite that matter on private supplies, and the optional bacteria test screens for the risk you can't see. Any reading that concerns you can be confirmed by your council's environmental health team.