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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5604 products

PoolLab Plastic Stirring Rod
WATER-I.D.
PoolLab Plastic Stirring Rod Sale price£1.13
Test All Water TA3 - Alkalinity LR TitrantTest All Water TA3 - Alkalinity LR Titrant
DTK-TAW
Test All Water TA3 - Alkalinity LR Titrant Sale priceFrom £10.42
Lovibond Iron Low Range ReagentsLovibond Iron Low Range Reagents
Lovibond
Lovibond Iron Low Range Reagents Sale priceFrom £42.29
Sold out
Lovibond 5 in 1 Multi-PooltesterLovibond 5 in 1 Multi-Pooltester
Lovibond
Lovibond 5 in 1 Multi-Pooltester Sale price£51.14
Stabilised Chlorine GranulesStabilised Chlorine Granules
TEST ALL WATER
Stabilised Chlorine Granules Sale priceFrom £6.89
Save £11.26
Palintest Instachlor - PR 3000 (5g)Palintest Instachlor - PR 3000 (5g)
Palintest
Palintest Instachlor - PR 3000 (5g) Sale price£101.34 Regular price£112.60
Save £9.79
Palintest DPD Oxystop ReagentsPalintest DPD Oxystop Reagents
Palintest
Palintest DPD Oxystop Reagents Sale price£55.51 Regular price£65.30
Save £3.83
Lovibond Phosphate No.1 L.R.TabletsLovibond Phosphate No.1 L.R.Tablets
Lovibond
Lovibond Phosphate No.1 L.R.Tablets Sale price£25.64 Regular price£29.47
Lovibond Calcium Tablet Count Foil - 250 TabletsLovibond Calcium Tablet Count Foil - 250 Tablets
Lovibond
Lovibond Calcium Tablet Count Foil - 250 Tablets Sale price£23.62
Save £2.85
Palintest DPD No 1 Rapid Dissolve 250 Reagents(Boric Acid Free)Palintest DPD No 1 Rapid Dissolve 250 Reagents(Boric Acid Free)
Palintest
Palintest DPD No 1 Rapid Dissolve 250 Reagents(Boric Acid Free) Sale price£16.15 Regular price£19.00
Save £20.41
Lovibond SD30 EC (Conductivity / TDS / Salt)Lovibond SD30 EC (Conductivity / TDS / Salt)
Lovibond
Lovibond SD30 EC (Conductivity / TDS / Salt) Sale price£135.00 Regular price£155.41
Save £3.66
Palintest Square Plastic Test Tubes 10ml Cell with CapPalintest Square Plastic Test Tubes 10ml Cell with Cap
Palintest
Palintest Square Plastic Test Tubes 10ml Cell with Cap Sale price£20.74 Regular price£24.40
On sale
Palintest Kemio Sensors for Peracetic Acid (PAA)Palintest Kemio Sensors for Peracetic Acid (PAA)
Palintest
Palintest Kemio Sensors for Peracetic Acid (PAA) Sale priceFrom £140.25 Regular price£165.00
Lovibond DPD No 3 High Range TabletsLovibond DPD No 3 High Range Tablets
Lovibond
Lovibond DPD No 3 High Range Tablets Sale priceFrom £12.66
Save £7.98
Lovibond COD Vials Mercury Free 0-15000mg/lLovibond COD Vials Mercury Free 0-15000mg/l
Lovibond
Lovibond COD Vials Mercury Free 0-15000mg/l Sale price£53.37 Regular price£61.35
Test All Water Hydrogen Peroxide LR Strips [0-100ppm] (100Pk)Test All Water Hydrogen Peroxide LR Strips [0-100ppm] (100Pk)
DTK-TAW
Test All Water Hydrogen Peroxide LR Strips [0-100ppm] (100Pk) Sale price£40.63
Cled Agar and MacConkey3 Agar
TEST ALL WATER
Cled Agar and MacConkey3 Agar Sale price£11.56
LaMotte ColorQ 2 Refill PackLaMotte ColorQ 2 Refill Pack
LaMotte
LaMotte ColorQ 2 Refill Pack Sale price£57.00
TA4 - pH 4.5 Indicator 65mlTA4 - pH 4.5 Indicator 65ml
DTK-TAW
TA4 - pH 4.5 Indicator 65ml Sale price£7.12
Palintest Permanganate Value 0-30+mg/L (Discontinued) - Contact us for alternative products
Palintest
Palintest Permanganate Value 0-30+mg/L (Discontinued) - Contact us for alternative products Sale price£62.15
Save £2.48
Lovibond Nitrite No.1 100 Tablet BottleLovibond Nitrite No.1 100 Tablet Bottle
Lovibond
Lovibond Nitrite No.1 100 Tablet Bottle Sale price£16.57 Regular price£19.05
Save £7.98
Lovibond COD Vario Vials 0-15000 mg/l,16 mmLovibond COD Vario Vials 0-15000 mg/l,16 mm
Lovibond
Lovibond COD Vario Vials 0-15000 mg/l,16 mm Sale price£53.37 Regular price£61.35
Lovibond Acidifying GP TabletsLovibond Acidifying GP Tablets
Lovibond
Lovibond Acidifying GP Tablets Sale priceFrom £18.25
Save £76.76
Lovibond MD150 (6 in 1) Chlorine, Bromine, pH, CyA, TA & Calcium Photometer - Tablet ReagentsLovibond MD150 (6 in 1) Chlorine, Bromine, pH, CyA, TA & Calcium Photometer - Tablet Reagents
Lovibond
Lovibond MD150 (6 in 1) Chlorine, Bromine, pH, CyA, TA & Calcium Photometer - Tablet Reagents Sale price£513.67 Regular price£590.43

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