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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6008 products

IDEXX Quanti-Cult QC Kit
IDEXX
IDEXX Quanti-Cult QC Kit Sale price£621.00
HACH Intellical PHC101 Laboratory Low Maintenance Gel Filled pH Electrode, 3m Cable
Hach
HACH Intellical PHC101 Laboratory Low Maintenance Gel Filled pH Electrode, 3m Cable Sale price£255.00
PoolLab Combi Pack Hydrogen Peroxide (HR)
WATER-I.D.
PoolLab Combi Pack Hydrogen Peroxide (HR) Sale price£25.23
Save £30.00
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Kuntze Instruments
Kuntze Cloud Connect Remote Access Annual Subscription Sale price£405.00 Regular price£435.00
Aquarium pH 6.4 - 8.4, 50 strips/pk Test All WaterAquarium pH 6.4 - 8.4, 50 strips/pk Test All Water
TEST ALL WATER
Aquarium pH 6.4 - 8.4, 50 strips/pk Test All Water Sale price£2.52
Lovibond MD150 Chlorine Standards 1.0 and 4.0 mg/l (MD150)Lovibond MD150 Chlorine Standards 1.0 and 4.0 mg/l (MD150)
Lovibond
Lovibond MD150 Chlorine Standards 1.0 and 4.0 mg/l (MD150) Sale price£65.00
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Kuntze Instruments
Kuntze Neon Instrument Modbus RTU Cloud Communication Sale price£157.93
Save £10.25
Palintest 2 Part Turbidity Tube
Palintest
Palintest 2 Part Turbidity Tube Sale price£54.27 Regular price£64.52
Lovibond Refill Pack Scuba3s - Copper No.1
Lovibond
Lovibond Refill Pack Scuba3s - Copper No.1 Sale price£44.27
Lovibond Refill Pack Scuba3s - Hardness Calcium
Lovibond
Lovibond Refill Pack Scuba3s - Hardness Calcium Sale price£16.77
Neon Multi Krypton systemNeon Multi Krypton system
TEST ALL WATER
Neon Multi Krypton system Sale price£4,150.85
Save £5.73
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Palintest
Palintest EDTA (250F), C₁₀H₁₆N₂O₈ Reagents Sale price£32.47 Regular price£38.20
Save £491.25
Palintest Kemio Multi Soft Case Kit (Lead, Cadmium, Copper, Bromine, Chlorine, Chlorine Dioxide, Chlorite, Arsenic and Peracetic Acid)
Palintest
Palintest Kemio Multi Soft Case Kit (Lead, Cadmium, Copper, Bromine, Chlorine, Chlorine Dioxide, Chlorite, Arsenic and Peracetic Acid) Sale price£2,783.75 Regular price£3,275.00
Save £404.40
Palintest Kemio Disinfection Chlorite Hard Case Kit.
Palintest
Palintest Kemio Disinfection Chlorite Hard Case Kit. Sale price£2,291.60 Regular price£2,696.00
Hach Nitrate Reagent Powder Pillows, 0.3-30mg/L NO₃-N
Hach
Hach Nitrate Reagent Powder Pillows, 0.3-30mg/L NO₃-N Sale price£63.86
Save £29.10
Palintest Calibration Kit For Turbidity Expert
Palintest
Palintest Calibration Kit For Turbidity Expert Sale price£164.90 Regular price£194.00
Save £1.72
Hanna Instruments HI-7004L pH 4.01 Buffer Solution, 500 mL bottle
Hanna Instruments
Hanna Instruments HI-7004L pH 4.01 Buffer Solution, 500 mL bottle Sale price£32.68 Regular price£34.40
Oasis 8.5mg Water Purification Tablets
Oasis
Oasis 8.5mg Water Purification Tablets Sale price£85.91
IDEXX Colisure for 100ml
IDEXX
IDEXX Colisure for 100ml Sale priceFrom £175.00
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WATER-I.D.
PrimeLab 2.0 Activation Codes Sale priceFrom £20.00
Save £9.18
Lovibond VARIO Nitri 3 F25ml
Lovibond
Lovibond VARIO Nitri 3 F25ml Sale price£61.41 Regular price£70.59
Hach ZincoVer 5 Zinc Reagent Powder Pillows
Hach
Hach ZincoVer 5 Zinc Reagent Powder Pillows Sale price£104.03
Hach SulfaVer 4 Sulfate Reagent Powder Pillows, 2-70 mg/L, 10 mL sample, pk/100
Hach
Hach SulfaVer 4 Sulfate Reagent Powder Pillows, 2-70 mg/L, 10 mL sample, pk/100 Sale price£61.80
Test All Water Ltd - Spa SparkleTest All Water Ltd - Spa Sparkle
TEST ALL WATER
Test All Water Ltd - Spa Sparkle Sale price£8.50

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