Index: firmware/App/Monitors/Conductivity.c
===================================================================
diff -u -r76ede35cf15c9310c2915151f1d47998f22b71de -r2869d16c34888bec55bded3b8aefd0203f56d3b0
--- firmware/App/Monitors/Conductivity.c	(.../Conductivity.c)	(revision 76ede35cf15c9310c2915151f1d47998f22b71de)
+++ firmware/App/Monitors/Conductivity.c	(.../Conductivity.c)	(revision 2869d16c34888bec55bded3b8aefd0203f56d3b0)
@@ -104,6 +104,7 @@
 
     ddConductivityPublishTimerCounter = DATA_PUBLISH_COUNTER_START_COUNT;
     fpConductivityPublishTimerCounter = DATA_PUBLISH_COUNTER_START_COUNT;
+    roRRPublishTimerCounter           = DATA_PUBLISH_COUNTER_START_COUNT;
     roRejectionRatio                  = 0.0F;
     roRejectionRatioTankFill          = 0.0F;
     roRRRunningSum                    = 0.0F;
@@ -363,7 +364,7 @@
 
     F32 roRR                               = getRORejectonRatio();
     roRRSamples[ roRRSamplesNextIndex ]    = roRR;
-    roRRRunningSum                         = roRR;
+    roRRRunningSum                         += roRR;
     roRRSamplesNextIndex                   = INC_WRAP( roRRSamplesNextIndex, 0, RO_RR_MOVING_AVG_NUM_OF_SAMPLES - 1 );
     roRRCount                              = INC_CAP( roRRCount, RO_RR_MOVING_AVG_NUM_OF_SAMPLES );
     roRRAvg.data                           = roRRRunningSum / (F32)roRRCount;
@@ -468,7 +469,7 @@
     }
 
     // publish ro rejection ratio data on interval
-    if ( roRRPublishTimerCounter >= getU32OverrideValue( &roRRDataPublishInterval ) )
+    if ( ++roRRPublishTimerCounter >= getU32OverrideValue( &roRRDataPublishInterval ) )
     {
         RO_REJECTION_RATIO_DATA_T data;