From e73cd053ed7a3ac96f3fc0b2e20865a3763d5ac1 Mon Sep 17 00:00:00 2001
From: Andrew Myers <atmyers2@gmail.com>
Date: Wed, 9 Sep 2026 16:35:10 -0700
Subject: [PATCH] Restore option to check tracer conservation

---
 src/incflo_advance.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/incflo_advance.cpp b/src/incflo_advance.cpp
index 5344b76a..0cab48ca 100644
--- a/src/incflo_advance.cpp
+++ b/src/incflo_advance.cpp
@@ -86,12 +86,12 @@ void incflo::Advance()
     particleData.Redistribute();
 #endif
 
-    // // This sums over all levels
-    // if (m_test_tracer_conservation) {
-    //     Real sum = volumeWeightedSum(get_tracer_new_const(),0,geom,ref_ratio);
-    //     amrex::Print() << "Sum tracer volume wgt2 = " << m_cur_time+m_dt << " " <<
-    //                        sum << "\n";
-    // }
+    // This sums over all levels
+    if (m_test_tracer_conservation) {
+        Real sum = amrex::volumeWeightedSum(get_tracer_new_const(), 0, Geom(), refRatio());
+        amrex::Print() << "Sum tracer volume wgt = " << m_cur_time+m_dt << " " <<
+            sum << "\n";
+    }
 
     // Stop timing current time step
     Real end_step = static_cast<Real>(ParallelDescriptor::second()) - strt_step;