Pocket pHep4 Water Resistant pH Tester HI98107 Water resistant, accurate and portable, this handy little pocket meter is a true go anywhere pH tester with replaceable electrode. The HI-98127 has a dual LCD screen that displays...

Storage solution for electrodes (20ml) The HI703004 Solution is a storage solution prepared with quality chemicals that are used to maintain peak performance of your pH and ORP / Redox electrodes. It is important to store an electrode in solution in order to keep the glass electrode membrane hydrated. Ideally, a storage solution should be used; never store an...

Pocket pHep4 Water Resistant pH Tester HI98127 Water resistant, accurate and portable, this handy little pocket meter is a true go anywhere pH tester with replaceable electrode. The HI-98127 has a dual LCD screen that displays...

Hose 16/22 (3m)

Calibration solution 35ppt Hanna Standard solution of 35 ppt for the calibration.

Hanna salinity tester The HI98319 Waterproof Salinity Tester is a simple, accurate and economical way to determine the salt concentration in saltwater aquariums. HI98319 can measure salinity up to 70.00 g / L (ppt). Results are displayed in g / L (ppt), practical units of salinity (PSU) or specific gravity (S.G.) on a large dual-level LCD display also...

Calibration checking set for HI 781 (No3)

Reagents for HI 781 (No3) - 25 tests

Saltwater Nitrate Low Range Checker The HI781 Marine Nitrate Low Range Colorimeter is designed to accurately determine low range nitrate levels in saltwater aquariums and marine applications. With a digital read out, there is no more struggling to determine colors visually. Range: 0.00 to 5.00 ppm (as NO3–) [0.0 to 50.0 ppm (calculated) using dilution]<br...

T (bypass)&nbsp;25/34mm

T (bypass)&nbsp;19/27mm

T (bypass)&nbsp;16/22mm