Calcium Hardness

Our Calcium Hardness Products category includes testing solutions designed to measure the amount of calcium present in water—a key factor in maintaining water balance. Monitoring calcium hardness helps prevent problems like scale buildup or corrosion in pools, spas, and industrial systems. These easy-to-use tests provide quick and accurate results, helping you keep your water clean, safe, and perfectly balanced for optimal performance and protection.

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18 products

On sale
Palintest Calcicol Calcium Hardness ReagentsPalintest Calcicol Calcium Hardness Reagents
Palintest
Palintest Calcicol Calcium Hardness Reagents Sale priceFrom £35.28 Regular price£39.20
Palintest Calcium Hardness Tablet Count 250 TabletsPalintest Calcium Hardness Tablet Count 250 Tablets
Palintest
Palintest Calcium Hardness Tablet Count 250 Tablets Sale priceFrom £16.80
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
Lovibond Calico H - Calcium Hardness Tablets - No 1 & 2Lovibond Calico H - Calcium Hardness Tablets - No 1 & 2
Lovibond
Lovibond Calico H - Calcium Hardness Tablets - No 1 & 2 Sale priceFrom £34.90
PoolLab Calcium Hardness Liquid Reagents KitPoolLab Calcium Hardness Liquid Reagents Kit
WATER-I.D.
PoolLab Calcium Hardness Liquid Reagents Kit Sale price£15.02
Save £2.29
Lovibond Calcium Hardness Tablet Count Bottle 250 TabletsLovibond Calcium Hardness Tablet Count Bottle 250 Tablets
Lovibond
Lovibond Calcium Hardness Tablet Count Bottle 250 Tablets Sale price£15.35 Regular price£17.64
Save £2.58
Lovibond Refill Pack for 5 in 1 Multipooltester
Lovibond
Lovibond Refill Pack for 5 in 1 Multipooltester Sale price£17.28 Regular price£19.86
PoolLab Calcium Hardness No.1 Photometer 100 TabletsPoolLab Calcium Hardness No.1 Photometer 100 Tablets
WATER-I.D.
PoolLab Calcium Hardness No.1 Photometer 100 Tablets Sale price£23.78
PoolLab Calcium Hardness No.2 Photometer 100 TabletsPoolLab Calcium Hardness No.2 Photometer 100 Tablets
WATER-I.D.
PoolLab Calcium Hardness No.2 Photometer 100 Tablets Sale price£23.78
Lovibond DPD No 1 High Calcium Tablets (EPL)Lovibond DPD No 1 High Calcium Tablets (EPL)
Lovibond
Lovibond DPD No 1 High Calcium Tablets (EPL) Sale priceFrom £15.16
Save £2.95
Lovibond Cal-Test TabletsLovibond Cal-Test Tablets
Lovibond
Lovibond Cal-Test Tablets Sale price£19.71 Regular price£22.66
Trace2o
Hardness, Calcium (HR) Photometer Tablets Sale priceFrom £24.88
Trace2o
Hardness, Calcium Trace2o Sale price£11.59
Trace2o
Hardness, Calcium (HR) Trace2o Sale price£24.56
Trace2o
Hardness, Calcium Photometer Tablets Sale priceFrom £43.18
Lovibond Refill Pack Scuba3s - Hardness Calcium
Lovibond
Lovibond Refill Pack Scuba3s - Hardness Calcium Sale price£16.77
Sold outSave £7.04
eXact ID Strip Micro Calcium Hardness (Expiry Date 31.8.25)
ITS
eXact ID Strip Micro Calcium Hardness (Expiry Date 31.8.25) Sale price£4.50 Regular price£11.54
Lovibond MD150 13 Parameters in photometerLovibond MD150 13 Parameters in photometer
Lovibond
Lovibond MD150 13 Parameters in photometer Sale price£669.03

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