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- -7.9%
- 3 en stock
Aquarium and pond equipment at the best prices!
For aquarium enthusiasts
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Reagents for Checker nitrates in seawater, narrow range (HI781), 25 tests + 25 filter papers
Ref: HI781-25
Mini-photometer Checker HC nitrates allows the measurement of nitrates in seawater from 0.50 to 50 mg/L with an accuracy of ± 0.25 mg/L.
Seawater Nitrate Standard Solutions – HI781-11 provides a simple solution for checking the HI781 Seawater Nitrate Checker .
This high-quality set of standards is manufactured in our state-of-the-art facilities and comes complete with a Certificate of Analysis. The Certificate of Analysis provides the lot number, reference values and expiry date to ensure traceability when certifying the Checker®HC® Mini Photometer.
Pre-order, available end of November.
The HI740271 is a replacement filter holder with lock (1 piece) for use with the HI781 Nitrates Checker.
Reagents for Checker nitrates in seawater, narrow range (HI781), 25 tests + 25 filter papers
Ref: HI781-25