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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4195 products

PoolLab Acidifying GP Powder Pillows
WATER-I.D.
PoolLab Acidifying GP Powder Pillows Sale priceFrom £16.38
PWTAG Hot Tubs for Business Book
PWTAG Swimming Pool Water
PWTAG Hot Tubs for Business Book Sale price£12.00
Save £27.46
Lovibond Checkit 5 in 1 Pool & Spa Balanced Water KitLovibond Checkit 5 in 1 Pool & Spa Balanced Water Kit
Lovibond
Lovibond Checkit 5 in 1 Pool & Spa Balanced Water Kit Sale price£183.76 Regular price£211.22
Lovibond Hydrogen Peroxide HR Titrant HP2 15 - 500 mg/L H2O2
Lovibond
Lovibond Hydrogen Peroxide HR Titrant HP2 15 - 500 mg/L H2O2 Sale price£11.59
Eutech 84 µS/cm KCl Conductivity Calibration Solution 480ml
Eutech
Eutech 84 µS/cm KCl Conductivity Calibration Solution 480ml Sale price£17.55
PoolLab 2.0 Replacement Plastic sliderPoolLab 2.0 Replacement Plastic slider
WATER-I.D.
PoolLab 2.0 Replacement Plastic slider Sale price£10.59
Save £7.76
Lovibond Combi Pack Manganese LR No.1 & 2 100 PackLovibond Combi Pack Manganese LR No.1 & 2 100 Pack
Lovibond
Lovibond Combi Pack Manganese LR No.1 & 2 100 Pack Sale price£51.93 Regular price£59.69
Sold out
Palintest Alkalinity M Tablet Count Bottle 250 tablets( Use Code: 505321 or 501531)
Palintest
Palintest Alkalinity M Tablet Count Bottle 250 tablets( Use Code: 505321 or 501531) Sale price£16.00
Save £1.14
Palintest Plastic Syringe 10 mL
Palintest
Palintest Plastic Syringe 10 mL Sale price£6.46 Regular price£7.60
LaMotte Chlorine Dioxide Test Strips - Range 0-10LaMotte Chlorine Dioxide Test Strips - Range 0-10
LaMotte
LaMotte Chlorine Dioxide Test Strips - Range 0-10 Sale priceFrom £2.99
On sale
Palintest Kemio Sensors for Peracetic Acid (Low Range)Palintest Kemio Sensors for Peracetic Acid (Low Range)
Palintest
Palintest Kemio Sensors for Peracetic Acid (Low Range) Sale priceFrom £50.00 Regular price£164.80
On sale
Lovibond pH Buffer Solutions 10
Lovibond
Lovibond pH Buffer Solutions 10 Sale priceFrom £4.08 Regular price£4.69
Sold out
Palintest Kemio Heavy Metals Soft Case Kit (Lead, Copper, Arsenic and Cadmium) (Use KEMS15HM)Palintest Kemio Heavy Metals Soft Case Kit (Lead, Copper, Arsenic and Cadmium) (Use KEMS15HM)
Palintest
Palintest Kemio Heavy Metals Soft Case Kit (Lead, Copper, Arsenic and Cadmium) (Use KEMS15HM) Sale price£2,078.05
Save £2.01
Palintest Kemio Disinfection Sample VesselPalintest Kemio Disinfection Sample Vessel
Palintest
Palintest Kemio Disinfection Sample Vessel Sale price£11.39 Regular price£13.40
Save £4.16
Lovibond Phosphate Test KitLovibond Phosphate Test Kit
Lovibond
Lovibond Phosphate Test Kit Sale price£27.82 Regular price£31.98
Save £4.64
Palintest Nitrite (Nitricol) Pocket Kit
Palintest
Palintest Nitrite (Nitricol) Pocket Kit Sale price£41.76 Regular price£46.40
Save £7.69
Lovibond Sulphate Turbidity Tablets
Lovibond
Lovibond Sulphate Turbidity Tablets Sale price£51.47 Regular price£59.16
Save £1.23
Lovibond Refil Pack For 3 Chamber Tester (4 in 1 Test Kit)
Lovibond
Lovibond Refil Pack For 3 Chamber Tester (4 in 1 Test Kit) Sale price£8.26 Regular price£9.49
Save £1.35
Palintest DPD No.1 Rapid Dissolve TabletsPalintest DPD No.1 Rapid Dissolve Tablets
Palintest
Palintest DPD No.1 Rapid Dissolve Tablets Sale price£7.65 Regular price£9.00
Electronic pH MeterElectronic pH Meter
WATER-I.D.
Electronic pH Meter Sale price£32.61
Blue Horizons Rapid ShockBlue Horizons Rapid Shock
Blue Horizons
Blue Horizons Rapid Shock Sale priceFrom £20.21
Save £4.29
Palintest/Wagtech Absorbent Pad Dispenser
Palintest
Palintest/Wagtech Absorbent Pad Dispenser Sale price£24.31 Regular price£28.60
Zinc Test Strips [0-100ppm] (50Pk)Zinc Test Strips [0-100ppm] (50Pk)
DTK-TAW
Zinc Test Strips [0-100ppm] (50Pk) Sale price£32.94
Save £4.88
Lovibond W600.B.40mm Cell
Lovibond
Lovibond W600.B.40mm Cell Sale price£92.69 Regular price£97.57

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