HI70031P Conductivity Calibration Standard 1413 µS/cm (25 x 20mL) | Hanna HI98331 electrode cleaning solution sachet for

electrode cleaning solution sachet for skin grease and sebum

What's Included in This 2-Pack Combo

3 microns — physically blocking them before water reaches the downstream filter cartridge

high dirt-holding capacity

and store upright

HI70031P Conductivity Calibration Standard 1413 µS/cm (25 x 20mL) | Hanna HI98331 electrode cleaning solution sachet forHI70031P Conductivity Calibration Standard 1413 S cm (25 x 20mL Sachets) Premium NIST traceable conductivity calibration solution standardized at 1,413 S cm for accurate calibration of EC meters, TDS testers, and conductivity instruments. Each box contains 25 single use sachets ideal for hydroponics, aquaponics, water quality testing, and laboratory applications. Why Choose HI70031P Calibration Standard? NIST traceable accuracy Standardized with