Metricide MetriTest Sterilization Solution Test Strips 10-304 are for use with Metricide 28 and Metricide Plus 30. MetriTest 1.8% Test Strips are a glutaraldehyde concentration monitor for use in glutaraldehyde-containing germicide solutions with a minimum effective concentration (MEC) of 1.8% glutaraldehyde. It is recommended to test the glutaraldehyde solution prior to each use to help prevent healthcare-acquired infections (HAIs). 60/BTL 2BTL/BX. Price per box.