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

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Blue Horizons pH Minus- Use PHMIN7OL / PHMIN15OL if out of stockBlue Horizons pH Minus- Use PHMIN7OL / PHMIN15OL if out of stock
Blue Horizons
Blue Horizons pH Minus- Use PHMIN7OL / PHMIN15OL if out of stock Sale priceFrom £8.40
Lovibond Alkali Hi/Lo Test KitLovibond Alkali Hi/Lo Test Kit
Lovibond
Lovibond Alkali Hi/Lo Test Kit Sale price£70.04
Pro-Swim Spa No-Foam
Pro-Swim
Pro-Swim Spa No-Foam Sale price£9.59
Save £30.90
Palintest Turbidity Meter Calibration Kit, Turbimeter Plus
Palintest
Palintest Turbidity Meter Calibration Kit, Turbimeter Plus Sale price£175.10 Regular price£206.00
Save £15.26
Lovibond Sample Cells / Turbidity Vials with Cap for TB 210 IR & TB 300 IR (pack of 12)Lovibond Sample Cells / Turbidity Vials with Cap for TB 210 IR & TB 300 IR (pack of 12)
Lovibond
Lovibond Sample Cells / Turbidity Vials with Cap for TB 210 IR & TB 300 IR (pack of 12) Sale price£102.15 Regular price£117.41
Lovibond MD 200 Pool Control 6 in 1Lovibond MD 200 Pool Control 6 in 1
Lovibond
Lovibond MD 200 Pool Control 6 in 1 Sale price£683.27
On sale
Lovibond Iron HR Comp Tablets 0-10mg/lLovibond Iron HR Comp Tablets 0-10mg/l
Lovibond
Lovibond Iron HR Comp Tablets 0-10mg/l Sale priceFrom £24.81 Regular price£28.52
Save £15.90
Lovibond Glycol RefractometerLovibond Glycol Refractometer
Lovibond
Lovibond Glycol Refractometer Sale price£106.37 Regular price£122.27
Lovibond Duo Pack : DPD No 1 Rapid/Phenol Red RapidLovibond Duo Pack : DPD No 1 Rapid/Phenol Red Rapid
Lovibond
Lovibond Duo Pack : DPD No 1 Rapid/Phenol Red Rapid Sale price£33.60
Lovibond AF418 Chloride / Salt Test KitLovibond AF418 Chloride / Salt Test Kit
Lovibond
Lovibond AF418 Chloride / Salt Test Kit Sale price£64.81
Lamotte ColorQ Replacement Test TubeLamotte ColorQ Replacement Test Tube
Lamotte
Lamotte ColorQ Replacement Test Tube Sale priceFrom £3.20
Certificates of Origin & Certified Invoices
Test All Water
Certificates of Origin & Certified Invoices Sale priceFrom £105.00
PoolLab Phosphate No.2 LR Photometer TabletsPoolLab Phosphate No.2 LR Photometer Tablets
WATER-I.D.
PoolLab Phosphate No.2 LR Photometer Tablets Sale priceFrom £5.95
PoolLab Copper No.2 Tablets
WATER-I.D.
PoolLab Copper No.2 Tablets Sale price£9.30
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
Oasis 5000 Water Purification TabletsOasis 5000 Water Purification Tablets
Oasis
Oasis 5000 Water Purification Tablets Sale priceFrom £22.28
Potable / Mains Water Microbiological SamplingHow to take a water sample
Test All Water
Potable / Mains Water Microbiological Sampling Sale priceFrom £45.00
On sale
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
Pro-Swim Spa and Hot Tub System FlushPro-Swim Spa and Hot Tub System Flush
Pro-Swim
Pro-Swim Spa and Hot Tub System Flush Sale price£9.90
Test All Water Spa FoamAwayTest All Water Spa FoamAway
TEST ALL WATER
Test All Water Spa FoamAway Sale price£8.50
Portable Metalyser HM1000 Trace2oPortable Metalyser HM1000 Trace2o
Trace2o
Portable Metalyser HM1000 Trace2o Sale price£6,130.00
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

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