Best Selling Products

Our Best Selling Products category features the most popular and trusted water testing solutions chosen by professionals and everyday users alike. From quick and easy test kits to advanced meters and reagents, these products have earned their place as customer favourites for their reliability, accuracy, and ease of use. Whether you’re testing pool water, drinking water, or industrial systems, these top picks deliver the dependable results you can count on.

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6025 products

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Hanna Instruments-713-25 Reagents for Hanna Instruments-713 Phosphate Pocket Checker x 25 testsHanna Instruments-713-25 Reagents for Hanna Instruments-713 Phosphate Pocket Checker x 25 tests
Hanna Instruments
Hanna Instruments-713-25 Reagents for Hanna Instruments-713 Phosphate Pocket Checker x 25 tests Sale price£13.87 Regular price£14.60
Certificates of Origin & Certified Invoices
TEST ALL WATER
Certificates of Origin & Certified Invoices Sale priceFrom £105.00
CDO1 - Chlorine Dioxide BufferCDO1 - Chlorine Dioxide Buffer
DTK-TAW
CDO1 - Chlorine Dioxide Buffer Sale price£16.01
PoolLab 2.0 Phosphate No.2 HR Photometer TabletsPoolLab 2.0 Phosphate No.2 HR Photometer Tablets
WATER-I.D.
PoolLab 2.0 Phosphate No.2 HR Photometer Tablets Sale priceFrom £5.95
PoolLab Phosphate LR No.1 Photometer Powder Pillows
WATER-I.D.
PoolLab Phosphate LR No.1 Photometer Powder Pillows Sale priceFrom £17.25
IDEXX Shrink Band Vessel 120ml vessel w/100 line Sodium Thiosulphate & Shrink BandIDEXX Shrink Band Vessel 120ml vessel w/100 line Sodium Thiosulphate & Shrink Band
IDEXX
IDEXX Shrink Band Vessel 120ml vessel w/100 line Sodium Thiosulphate & Shrink Band Sale price£171.00
Save £4.33
Palintest Bromine / pH / Total Alkalinity PooltesterPalintest Bromine / pH / Total Alkalinity Pooltester
Palintest
Palintest Bromine / pH / Total Alkalinity Pooltester Sale price£24.57 Regular price£28.90
Biospot Effervescent Chlorine TabletsBiospot Effervescent Chlorine Tablets
Biospot
Biospot Effervescent Chlorine Tablets Sale priceFrom £10.08
Save £16.95
Palintest Lumiso Pooltest Expert Check StandardsPalintest Lumiso Pooltest Expert Check Standards
Palintest
Palintest Lumiso Pooltest Expert Check Standards Sale price£96.05 Regular price£113.00
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Palintest COD/150/M 0-150 mg/L O2 TubetestsPalintest COD/150/M 0-150 mg/L O2 Tubetests
Palintest
Palintest COD/150/M 0-150 mg/L O2 Tubetests Sale priceFrom £65.96 Regular price£77.60
Save £4.48
Palintest CR-1 Reagent
Palintest
Palintest CR-1 Reagent Sale price£25.42 Regular price£29.90
Test All Water Spa Non Chlorine ShockTest All Water Spa Non Chlorine Shock
TEST ALL WATER
Test All Water Spa Non Chlorine Shock Sale priceFrom £12.74
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Spa Mulitifunctional 20g Chlorine Tablets 1kgSpa Mulitifunctional 20g Chlorine Tablets 1kg
TEST ALL WATER
Spa Mulitifunctional 20g Chlorine Tablets 1kg Sale price£9.52
Portable Metalyser HM1000 Trace2oPortable Metalyser HM1000 Trace2o
Trace2o
Portable Metalyser HM1000 Trace2o Sale price£6,130.00
pH Indicator Strips pH 7.0 - 14.0pH Indicator Strips pH 7.0 - 14.0
Johnson Analytica
pH Indicator Strips pH 7.0 - 14.0 Sale price£3.84
Save £0.33
Palintest/Wagtech Pasteur Pipett, 1ml
Palintest
Palintest/Wagtech Pasteur Pipett, 1ml Sale price£1.87 Regular price£2.20
Save £1.82
Palintest TDS Mid Range Conductivity Solution, 500 mlPalintest TDS Mid Range Conductivity Solution, 500 ml
Palintest
Palintest TDS Mid Range Conductivity Solution, 500 ml Sale price£26.18 Regular price£28.00
Palintest DPD No 1 Rapid Dissolve Strip of 10 TabletsPalintest DPD No 1 Rapid Dissolve Strip of 10 Tablets
Palintest
Palintest DPD No 1 Rapid Dissolve Strip of 10 Tablets Sale price£2.01
Save £36.45
Palintest Acidifying SE 100BPalintest Acidifying SE 100B
Palintest
Palintest Acidifying SE 100B Sale price£206.55 Regular price£243.00
J-QUANT Nitrate/Nitrite 25-500 Test StripsJ-QUANT Nitrate/Nitrite 25-500 Test Strips
Johnson Analytica
J-QUANT Nitrate/Nitrite 25-500 Test Strips Sale price£43.88
Save £5.30
Lovibond® Photometer Sample Cell, Round Glass, 16mm Diameter, 96mm Height, with Lid (pack of 10)
Lovibond
Lovibond® Photometer Sample Cell, Round Glass, 16mm Diameter, 96mm Height, with Lid (pack of 10) Sale price£35.44 Regular price£40.74
Save £3.64
Lovibond Vario Ferro 10mlLovibond Vario Ferro 10ml
Lovibond
Lovibond Vario Ferro 10ml Sale price£24.39 Regular price£28.03
Lovibond Sodium Chloride Calibration Solution (NACL)Lovibond Sodium Chloride Calibration Solution (NACL)
Lovibond
Lovibond Sodium Chloride Calibration Solution (NACL) Sale price£34.90
Save £3.76
Lovibond Total Alkalinity Checkit Disc 20-240mg/l
Lovibond
Lovibond Total Alkalinity Checkit Disc 20-240mg/l Sale price£25.16 Regular price£28.92

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