Hardness

Hardness Products help you measure the level of minerals like calcium and magnesium in water. Hard water can cause scale build-up in pipes, appliances, and boilers, reducing efficiency and lifespan. By testing and managing hardness, these products help keep your water systems running smoothly, protect your equipment, and ensure your water is clean and balanced for everyday use.

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35 products

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Palintest Hardness Yes / No Tablets (Discontinued) Use codes 503541, 515361 & 515360 for alternativesPalintest Hardness Yes / No Tablets (Discontinued) Use codes 503541, 515361 & 515360 for alternatives
Palintest
Palintest Hardness Yes / No Tablets (Discontinued) Use codes 503541, 515361 & 515360 for alternatives Sale priceFrom £10.80
On sale
Palintest Hardicol Hardness ReagentsPalintest Hardicol Hardness Reagents
Palintest
Palintest Hardicol Hardness Reagents Sale priceFrom £46.35 Regular price£51.50
Lovibond Hardness Yes/No TabletsLovibond Hardness Yes/No Tablets
Lovibond
Lovibond Hardness Yes/No Tablets Sale priceFrom £14.82
Save £3.31
Lovibond Hardness Yes/No Tablets BottleLovibond Hardness Yes/No Tablets Bottle
Lovibond
Lovibond Hardness Yes/No Tablets Bottle Sale price£22.14 Regular price£25.45
Lovibond Hardcheck P TabletsLovibond Hardcheck P Tablets
Lovibond
Lovibond Hardcheck P Tablets Sale priceFrom £21.09
Save £124.81
Lovibond Pool Control PM630 PhotometerLovibond Pool Control PM630 Photometer
Lovibond
Lovibond Pool Control PM630 Photometer Sale price£835.27 Regular price£960.08
TH2 - Total Hardness BufferTH2 - Total Hardness Buffer
DTK-TAW
TH2 - Total Hardness Buffer Sale price£6.65
Save £3.21
Lovibond Total Hardness TabletsLovibond Total Hardness Tablets
Lovibond
Lovibond Total Hardness Tablets Sale price£21.46 Regular price£24.67
DTK H/TH4/CH3 - Hardness HR Titrant
DTK-TAW
DTK H/TH4/CH3 - Hardness HR Titrant Sale price£10.72
Save £5.19
Lovibond AF423 Hardness Yes/No TestLovibond AF423 Hardness Yes/No Test
Lovibond
Lovibond AF423 Hardness Yes/No Test Sale price£51.97 Regular price£57.16
Test All Water Hardness Stop/Go SolutionTest All Water Hardness Stop/Go Solution
DTK-TAW
Test All Water Hardness Stop/Go Solution Sale price£10.93
Lovibond AF424 Hardness Test KitLovibond AF424 Hardness Test Kit
Lovibond
Lovibond AF424 Hardness Test Kit Sale price£51.97
On sale
Lovibond Hardness Low Range BW TabletsLovibond Hardness Low Range BW Tablets
Lovibond
Lovibond Hardness Low Range BW Tablets Sale priceFrom £21.79 Regular price£25.05
Save £215.94
Lovibond MD 640 Photometer and FluorometerLovibond MD 640 Photometer and Fluorometer
Lovibond
Lovibond MD 640 Photometer and Fluorometer Sale price£1,445.14 Regular price£1,661.08
La Motte Insta-Test 6-Way Drinking Water Test StripsLa Motte Insta-Test 6-Way Drinking Water Test Strips
Lamotte
La Motte Insta-Test 6-Way Drinking Water Test Strips Sale price£27.55
Sold out
Palintest Hardness Tablet Count Method (Discontinued) Use 503551
Palintest
Palintest Hardness Tablet Count Method (Discontinued) Use 503551 Sale price£16.00
Sold out
Hardness, Total, bottle of 50Hardness, Total, bottle of 50
ITS
Hardness, Total, bottle of 50 Sale price£9.00
La Motte Insta-Test Natural Water 5-way Strips
Lamotte
La Motte Insta-Test Natural Water 5-way Strips Sale price£9.72
Johnson Analytica Water Hardness 0-500 Test StripsJohnson Analytica Water Hardness 0-500 Test Strips
Johnson Analytica
Johnson Analytica Water Hardness 0-500 Test Strips Sale price£8.80
Palintest Hardness LR Tablet Count Method Low Range
Palintest
Palintest Hardness LR Tablet Count Method Low Range Sale price£16.50
Save £2.26
Lovibond Hardness Total Strips
Lovibond
Lovibond Hardness Total Strips Sale price£15.11 Regular price£17.37
Lovibond Hardness V.L.R.Tablets BTLovibond Hardness V.L.R.Tablets BT
Lovibond
Lovibond Hardness V.L.R.Tablets BT Sale price£38.63
Lovibond Hardness Total Indicator Powder TH1P
Lovibond
Lovibond Hardness Total Indicator Powder TH1P Sale price£29.86
Aquarium Water Hardness 21, 50 strips/pk Test All WaterAquarium Water Hardness 21, 50 strips/pk Test All Water
TEST ALL WATER
Aquarium Water Hardness 21, 50 strips/pk Test All Water Sale price£3.78

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