Probe Choice for UT Corrosion Scanning

So many UT lures, so much corrosion... what are we to do? Shall we paint the town yellow in big broad strokes with a 2.25MHz single? Or use that fancy single-bristle 10MHz detail brush normally reserved for painting eyes on our D&D miniatures? UT nerds, join me as we kill time normally reserved for personal hygiene, and dive into our piezo-electric crystal collection, shall we? PH Tool CUT Boards: https://store.phtool.com/cut-board-co...