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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4192 products

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GLASS BEADS SODA LIME 2MM DIA. APPROX. PK. 1KG
Test All Water
GLASS BEADS SODA LIME 2MM DIA. APPROX. PK. 1KG Sale price£13.85
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GLASS BEADS SODA LIME 3MM DIA. APPROX. PK. 1KG
Test All Water
GLASS BEADS SODA LIME 3MM DIA. APPROX. PK. 1KG Sale price£13.85
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GLASS BEADS SODA LIME 4MM DIA. APPROX. PK. 1KG
Test All Water
GLASS BEADS SODA LIME 4MM DIA. APPROX. PK. 1KG Sale price£14.91
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Digital Titrator Delivery Tube with 90° Bend and J Hook Pack of 5
Hach
Digital Titrator Delivery Tube with 90° Bend and J Hook Pack of 5 Sale price£16.46
vendor-unknown
WLCAL Face Masks - Civilian Sale price£0.56
Lovibond
Lovibond W100.OG.50mm Cell Sale price£67.88 Regular price£78.02
Save £7.36
Lovibond W100.OG.20mm Cell
Lovibond
Lovibond W100.OG.20mm Cell Sale price£49.22 Regular price£56.58
Save £5.58
Lovibond W100.OG.10mm Cell
Lovibond
Lovibond W100.OG.10mm Cell Sale price£37.35 Regular price£42.93
Save £22.08
Lovibond Vario Total Phosphate Reagent, 50 tests
Lovibond
Lovibond Vario Total Phosphate Reagent, 50 tests Sale price£147.75 Regular price£169.83
Lovibond
Vario Ferro 10ml Sale price£220.04 Regular price£252.92
Trace2o
Trace2o Membrane Lauryl Sulphate broth sachets - 300 tests (45.72g) Sale price£20.09
Trace2o Metalyser HM4000 (Portable)Trace2o Metalyser HM4000 (Portable)
Trace2o
Trace2o Metalyser HM4000 (Portable) Sale price£8,200.00
Thermo Scientific Eutech™ Plus Series pH 5+ Meter
Eutech
Thermo Scientific Eutech™ Plus Series pH 5+ Meter Sale price£278.10
Thermo Scientific Eutech™ Elite ORP Pocket Tester
Eutech
Thermo Scientific Eutech™ Elite ORP Pocket Tester Sale price£169.97
Trace2o Aquasafe® WSL50 Premium
Trace2o
Trace2o Aquasafe® WSL50 Premium Sale price£4,068.50
Save £3.83
Lovibond Tannin No.2 Tablets Bottle
Lovibond
Lovibond Tannin No.2 Tablets Bottle Sale price£25.64 Regular price£29.47
Save £3.36
Lovibond Tannin No. 1 Tablets Bottle
Lovibond
Lovibond Tannin No. 1 Tablets Bottle Sale price£22.49 Regular price£25.85
Test All Water Oxygen (MPS)Test All Water Oxygen (MPS)
TEST ALL WATER
Test All Water Oxygen (MPS) Sale price£17.16
Trace2o
Sulfate Photometer Tablets Sale priceFrom £13.24
Lovibond
Lovibond Sulphite No.1 Tablets Sale price£36.96 Regular price£42.48
Hot Tub & Spa Surface CleanerHot Tub & Spa Surface Cleaner
TEST ALL WATER
Hot Tub & Spa Surface Cleaner Sale price£8.50
Trace2o
Sodium Hypochlorite Photometer Tablets Sale priceFrom £90.00
Eutech
Replacement Double Junction Sensor for pHTestr 10, 20, 30 Sale price£60.86
Lovibond
Ref.Standard Kit 1 & 4 mg/l for PCCheckit Sale price£65.48 Regular price£75.27

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