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Vernier products are designed specifically for education and held to high standards.

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Our products compliment your teaching and help your students engage with key STEM concepts.

Educational Standards

Our products support provincial requirements for NGSS, AP, and more.

Ammonium Replacement Module

This module replaces the electrode membrane. Simply unscrew the old one and screw on the new one. The membrane of an Ammonium ISE electrode has a limited life span of one to two years, regardless of frequency of use. Do not order it until you need it, as it will age even when not in use.

SKU: NH4-MOD Category:

$142.00