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Auto-summarize: EFFORTS/Modern Mall Ninja/Etchant.md

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2026-04-05 00:40:31 -07:00
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---
created: '2026-04-05T05:58:33+00:00'
id: 8dd5a841-95b2-4221-859f-64b4bd918bd2
links: []
modified: '2026-04-05T05:58:33+00:00'
summary: Based on a 1955 patent and chemical analysis, the DIY alternative to hazardous
HF acid or inaccessible commercial Multi-Etch for etching titanium is a 0.5M solution
of ammonium persulfate and sodium fluoride, which is affordable and allows mixing
smaller quantities.
tags: []
title: Etchant
---
Hey, seems like this might be of some interest here.
Since I had originally posted this elswhere, I had to convert this from message board format, so sorry if some of the links don’t work or the formatting is off.