I'm Testing For

Our I’m Testing For category helps you find the right products based on what you need to test for. Whether you’re checking for chlorine, pH, hardness, metals, or other important water parameters, this section makes it easy to choose the right testing kits and reagents for your specific needs. Designed to guide both professionals and everyday users, it’s a simple way to ensure your water is clean, safe, and perfectly balanced.

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266 products

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Hanna Instruments-758 Marine Calcium Handheld Colorimeter - Checker®HCHanna Instruments-758 Marine Calcium Handheld Colorimeter - Checker®HC
Hanna Instruments
Hanna Instruments-758 Marine Calcium Handheld Colorimeter - Checker®HC Sale price£71.35 Regular price£75.10
KS329 Alkalinity CartridgeKS329 Alkalinity Cartridge
Lovibond
KS329 Alkalinity Cartridge Sale price£17.52
Metalyser Field Pro HM3000 Trace2oMetalyser Field Pro HM3000 Trace2o
Trace2o
Metalyser Field Pro HM3000 Trace2o Sale price£10,300.00
Trace2o
Hardness, Calcium (HR) Trace2o Sale price£62.00
Trace2o
Chloride Trace2o Sale price£69.61
Save £601.05
Palintest Potakit+
Palintest
Palintest Potakit+ Sale price£3,405.95 Regular price£4,007.00
Lovibond Multi-Direct Photometer
Lovibond
Lovibond Multi-Direct Photometer Sale price£1,214.94
Save £59.02
Lovibond AF116A Chlorine & pH Kit
Lovibond
Lovibond AF116A Chlorine & pH Kit Sale price£394.95 Regular price£453.97
Lovibond
Cyanuric Acid Tube Assembly Sale price£29.63 Regular price£34.06
Save £13.76
La Motte Peracetic Acid Test Strips - Low Range 0-50 Expired 06/26La Motte Peracetic Acid Test Strips - Low Range 0-50 Expired 06/26
Lamotte
La Motte Peracetic Acid Test Strips - Low Range 0-50 Expired 06/26 Sale price£3.50 Regular price£17.26
Save £14.27
La Motte Peracetic Acid Test Strips - Low Range 0-50 Expired 05/26La Motte Peracetic Acid Test Strips - Low Range 0-50 Expired 05/26
Lamotte
La Motte Peracetic Acid Test Strips - Low Range 0-50 Expired 05/26 Sale price£2.99 Regular price£17.26
Save £4.26
La Motte Insta-TEST Monopersulfate (MPS), Alkalinity, pH Test Strips Expired 12/25La Motte Insta-TEST Monopersulfate (MPS), Alkalinity, pH Test Strips Expired 12/25
Lamotte
La Motte Insta-TEST Monopersulfate (MPS), Alkalinity, pH Test Strips Expired 12/25 Sale price£2.99 Regular price£7.25
Save £30.00
Lovibond MD150 13 Parameters in photometerLovibond MD150 13 Parameters in photometer
Lovibond
Lovibond MD150 13 Parameters in photometer Sale price£669.03 Regular price£699.03
Lovibond Ozone 3/67 Test Kit
Lovibond
Lovibond Ozone 3/67 Test Kit Sale price£281.45
Lovibond Alkalinity (P + OH) HR Drop Test KitLovibond Alkalinity (P + OH) HR Drop Test Kit
Lovibond
Lovibond Alkalinity (P + OH) HR Drop Test Kit Sale price£104.20
La Motte Insta-Test Alkalinity Test Strips
Lamotte
La Motte Insta-Test Alkalinity Test Strips Sale price£19.26
Save £7.05
Lovibond Checkit Testpak Zinc LR
Lovibond
Lovibond Checkit Testpak Zinc LR Sale price£47.20 Regular price£54.25
Save £7.05
Lovibond Checkit Testpak Silica VLR
Lovibond
Lovibond Checkit Testpak Silica VLR Sale price£47.19 Regular price£54.24
Save £15.92
Lovibond Checkit Testpak Silica HR VARIO
Lovibond
Lovibond Checkit Testpak Silica HR VARIO Sale price£106.57 Regular price£122.49
Save £7.05
Lovibond Checkit Testpak Silica LR
Lovibond
Lovibond Checkit Testpak Silica LR Sale price£47.19 Regular price£54.24
Save £7.05
Lovibond Checkit Testpak Copper HR, free and total
Lovibond
Lovibond Checkit Testpak Copper HR, free and total Sale price£47.20 Regular price£54.25
Save £6.48
Lovibond Checkit Testpak Phosphate LR
Lovibond
Lovibond Checkit Testpak Phosphate LR Sale price£43.35 Regular price£49.83
Save £6.48
Lovibond Checkit Testpak Phosphate HR
vendor-unknown
Lovibond Checkit Testpak Phosphate HR Sale price£43.35 Regular price£49.83
Save £5.32
Lovibond Checkit Testpak pH(Phenol Red)
Lovibond
Lovibond Checkit Testpak pH(Phenol Red) Sale price£35.61 Regular price£40.93

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