Description Additional Information Description Total Hardness Tablets Pure Indicator Grade Pk 500 View AllClose Additional Information Test Type: Total Hardness Pack Size: 500 View AllClose
Add to Cart Calcium Hardness Tablets Pk 250 MSRP: Now: £164.64 Was: Calcium Hardness Tablets Pk 250 *MEMO* AP252
Add to Cart Total Hardness Test Strips 0-425 mg/L Pk 50 MSRP: Now: £37.65 Was: Water hardness is caused almost entirely by calcium and magnesium ions. Other di- and trivalent metals have a similar effect, but usually are not present in high enough concentration in potable... 2745250
Iodine Solution Wij's, (UN2920) Pure Indicator Grade 2.5ltr MSRP: Now: £239.91 Was: Boiling Point 118°C 10476870
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