Subject: Comment wbsilicide SNF 2011-07-24 20:44:23: 9:1 H2SO4:H2O2 Bath Needs Changed
From: smitmegh@snf.stanford.edu
Date: Sun, 24 Jul 2011 20:44:23 -0700

The 9:1 H2SO4:H2O2 bath needs changed. The bath turned brown during a cleaning I performed
Sunday afternoon, and it was still too hot for me to drain and change the bath when
I had to leave.