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Surface Prep for Markers That Last
Skipping surface prep is the fastest way to get labels that flake off in weeks. In Israel, regulations have made high-concentration isopropyl nearly impossible to buy in useful quantities. This episode breaks down why 70% isopropyl works at the molecular level, why 99% is actually worse, and what alternatives — from diluted ethanol to acetone to white spirit — actually deliver industrial-grade adhesion when IPA isn't an option. Episode 3094 — myweirdprompts.com/n/3094 (permanent short link: myweirdprompts.com/435542)
The skinny
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