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Step 1: How Many Bathrooms Do You Have?

According to studies, the average indoor water usage in the United States per person is around 50 gallons per day. The estimated amount of water usage for a family of five is about 250 to 400 gallons per depending on their needs.

Water usage in a family’s home will vary from one family to the other. Several factors may affect the amount of water usage per family including the number of children and adults in the home. Additionally, the number of bathrooms, as well as the types of meals cooked, will affect the water usage in a household.

Since there are several factors affecting water usage, sizing one’s water filtration system can be overwhelming. Fortunately, there’s a way to measure the proper size of the water treatment system ideal for your home. So, how do you measure your water usage to get the right water filtration system? Here’s how you can determine the appropriate system size.

Understanding Peak and Service Flow Rates

You can determine your water usage through daily activities and habits. They are known as peak and service flow rates. Peak flow rates are whenever you turn on your faucet in your home. Service flow rate, on the other hand, is the amount of water used on a continuous basis over a period of ten minutes. The service flow rate is used to measure a whole house water filter system. Any filtration system is determined by understanding your service flow rate since it allows the water treatment system to remove contaminants at an effective and efficient rate.

With these in mind, you can get the right water filtration size for your home. If you know the service flow rate in your home, your whole house filter system will be able to remove impurities with efficiency and improve the quality of drinking water including the reduction of water hardness.

Water Fixture or Appliance  

 Flow Rate (Gallons per Minute)  


                             2.5 – 3.0


                             2.2 – 5.0


                             4.0 – 8.0


                             2.5 – 5.0


                             2.0 – 3.0

                 Washing Machine

                             4.0 – 5.0

How to Calculate Service Flow Rate

Now that you understand the importance of service flow rate, you must know how to calculate it to size your whole house water system like ours – The right way to determine the estimated service flow rate in your home is by deciding which water fixtures and appliances use water and runs at the same time for more than ten minutes. It will vary from one family to the other since they don’t use the same water fixtures and appliances at the same time. The next step to determine your estimated service flow rate is to find out how many gallons per minute your appliances are using based on the graph. Lastly, determine your estimated service flow rate by adding up all of the flow rates for your appliances. This is the final estimated service flow rate for your home.

Service flow rates will vary from one family to the other since there are several factors that will decide your estimated service flow rate. Calculate your estimated service flow rate to get the right whole house water filtration system for your home. If you find the task quite challenging, you can contact a professional water filtration company to help you out contact AquaOx Water Filters.

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