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Four steps. One click. Instant Readout.
1. ‘Zero’ the Checker®HC with your vial inside
2. Place a 10ml water sample into the vial and add your reagent
3. Place your vial into your Checker®HC
4. Press the button and read the results
Showing 25 - 29 of 29 products
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Hanna Instruments
Hanna Instruments HI-716-25 Reagents for HI-716 Bromine Checker
Sale price£17.63
Excluding VAT
Hanna Instruments
Hanna Instruments HI-729-26 Reagents for HI-729 Fluoride Low Range Checker
Sale price£19.03
Excluding VAT
Hanna Instruments
Hanna Instruments-733-25 Reagents For HR Ammonia Checker
Sale price£40.07
Excluding VAT
Hanna Instruments
Hanna Instruments-706-25 Reagents for Hanna Instruments-706 Phosphorus High Range Colorimeter - Checker®HC
Sale price£13.34
Excluding VAT
Hanna Instruments
Hanna Instruments HI-780-25 Marine pH Checker Reagents, 100 tests
Sale price£24.58
Excluding VAT
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