I have a new GE refrigerator with a water filter with a capacity of 170 gallons. I use less than 0.5 pints of water per day. At this rate, the filter should last at least 2720 days. However, after about six months of use the water filter replacement indicator light shows that I need to replace the filter. This is my first refrigerator with a water filter.
EDIT Prior to this refrigerator water filter, I have never used any kind of water filter.
I have never had a problem with odor or taste of the water. The water has a light brown color for a few hours after water is flushed through the fire hydrant near my house. END EDIT
How does the refrigerator determine when the water filter needs to be replaced?
What issues could I encounter if I do not replace the filter?
Refrigerator model GSE25GGHKCC