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

Check₂O Aquarium Water Hardness
Johnson Analytica
Check₂O Aquarium Water Hardness Sale price£4.25
Save £13.01
Lovibond Hardness Ca Mg MR TTLovibond Hardness Ca Mg MR TT
Lovibond
Lovibond Hardness Ca Mg MR TT Sale price£87.06 Regular price£100.07
Lovibond
Lovibond Hardness Total Drop Test Kit Sale price£79.98 Regular price£91.93
Lovibond Hardness Total + Calcium Drop Test Kit
Lovibond
Lovibond Hardness Total + Calcium Drop Test Kit Sale price£115.87
Save £1.98
Lovibond KS145-H-TH4-CH3-Hardness HR Titrant
Lovibond
Lovibond KS145-H-TH4-CH3-Hardness HR Titrant Sale price£13.26 Regular price£15.24
Trace2o
Hardness, Total Sale priceFrom £7.46
vendor-unknown
Hardness, Magnesium Photometer Tablets Trace2o Sale priceFrom £49.00
Sold out
Boiler Water Test Kits - Lovibond- Discontinued Use Code 56K701170
Lovibond
Boiler Water Test Kits - Lovibond- Discontinued Use Code 56K701170 Sale price£186.80
Save £191.46
Lovibond AF357 Drinking Water Kit
Lovibond
Lovibond AF357 Drinking Water Kit Sale price£1,281.30 Regular price£1,472.76
Save £9.68
Lovibond AF426 Hardness VLR Test Kit
Lovibond
Lovibond AF426 Hardness VLR Test Kit Sale price£64.81 Regular price£74.49
DTK-TAW
Water Hardness Test Strips [0-21?d] (100Pk) Sale price£78.71

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