Brownells Potassium Iodide Starch Test Strips 100-Pack for Oxynate 7 & 84 Bluing Salts

Brownells Potassium Iodide Starch Test Strips are used to verify the neutralization of Oxynate No. 7 and Oxynate 84 bluing salt solutions. Each strip provides a quick, reliable colorimetric reaction to confirm that the rinse water or neutralizing bath is free of active bluing chemicals before proceeding. Comes in a convenient 100-strip pack, making them well-suited for regular shop use in professional or home gunsmithing environments.