Index: firmware/App/Controllers/ROPump.c
===================================================================
diff -u -rf639bbc47806ddcefdbdce78a377cd87050872e5 -r0b93322875e9aa5719941574fde93d3042dc6796
--- firmware/App/Controllers/ROPump.c	(.../ROPump.c)	(revision f639bbc47806ddcefdbdce78a377cd87050872e5)
+++ firmware/App/Controllers/ROPump.c	(.../ROPump.c)	(revision 0b93322875e9aa5719941574fde93d3042dc6796)
@@ -68,8 +68,11 @@
 #define FLOW_SAMPLES_TO_AVERAGE                        ( 250 / TASK_PRIORITY_INTERVAL )            ///< Averaging flow data over 250 ms intervals.
 #define FLOW_AVERAGE_MULTIPLIER                        ( 1.0F / (F32)FLOW_SAMPLES_TO_AVERAGE )     ///< Optimization - multiplying is faster than dividing.
 
+// The ADC to LPM factor is calculated using the following steps:
+// 0.1 to 2 LPM range
+// 110000 pulses/liter
+// For 2 LPM => 2LPM x 110000 pulses/liter * 1 edges/pulse * 1 min/60 seconds
 #define RO_FLOW_ADC_TO_LPM_FACTOR                      272.72F                                     ///< Conversion factor from ADC counts to LPM (liters/min) for RO flow rate (multiply this by inverse of FPGA reading).
-
 #define ROP_FLOW_TO_PWM_SLOPE                          0.1F                                        ///< Slope of flow to PWM line equation.
 #define ROP_FLOW_TO_PWM_INTERCEPT                      0.0F                                        ///< Intercept of flow to PWM line equation.