The output of Pentair Fleck water softener 5600 SXT is 75 gallons per minute, and the peak flow rate is 14 gallons per minute. However, the service flow rate was 10gpm, and the flow rate can be monitored using the meter. Pentair consumes around 2.5 gallons of water per minute. This water softener uses 50-60 gallons of water for regeneration.