diff --git a/EFFORTS/Modern Mall Ninja/Etchant.md b/EFFORTS/Modern Mall Ninja/Etchant.md
index 5d06584..23374de 100755
--- a/EFFORTS/Modern Mall Ninja/Etchant.md	
+++ b/EFFORTS/Modern Mall Ninja/Etchant.md	
@@ -1,3 +1,16 @@
+---
+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.