How to Choose a Residential Water Softener Based on Occupancy

When it comes to home water conditioning, it is important to know how to size a water softener correctly. This way, you are sure to purchase the appropriate and most effective water purification system for your household. There are a few different ways to measure or size-up a water conditioning system. One full-proof way to determine which system to buy for your property is to consult a professional in the industry. They retain the experience and knowledge to set you in the right direction. In the meantime, it is always a good idea to catch up on simple tips and general advice for water softener systems.

Continue reading to learn how to choose a water softener for your home using some simple and basic math.

Indianapolis Water Softener Service and Repair
Indianapolis Water Softener Service and Repair 317-784-1870

Water Softener Grains Per Gallon

The best place to start when it comes to learning how to size a water softener, is by learning how the entire system all works. Basically, water softeners swap hard minerals for soft ones in a property’s water supply. Hard minerals include calcium, magnesium, and other metal ions and compounds, while soft minerals include sodium and potassium. Within a water softener, there are several tiny chemical magnets called ion exchange resin. These magnets are the agents that facilitate the mineral exchanges within the system. The more chemical magnets a water softener has, the higher its capacity will be.

Capacity is a common term measuring the number of gallons a system can purify before needing more salt or a new cartridge; depending on the type of system it is. Capacity is measured in “grains” or its rate or grain removal; and one grain per gallon is equal to 17.1 parts per million. On average, the water in the United States contains nearly 10 grains of hardness per gallon, while the average person uses 80 gallons of water per day.

Using the Water Softener Formula

By using a water hardness testing kit, you can quickly determine the level of hardness in your home’s water supply. In order to calculate the amount of water you need to purify, multiply the number of people living within the home by the number 80; and then multiply that number by the number of grains per gallon (10) to get the total number of grains used per day in a home. 

Here is an example for a family of 5:

Number of Occupants:  5
Gallons of Water Used per Person:  80
Average Grains of Hardness: 10

Gallons of Water Used Per Day: 5 x 80 = 400
Total Grains Used per Day: 400 x 10 = 4,000

✨ In this example, a 40,000 grain capacity water softener is recommended for the AVERAGE family of 5.

Water Softener Installation

One of the most common signs that your water softener needs to be replaced is increased water and energy bills. If these monthly costs are rising, there may be a problem with the efficiency or performance of your water softener. It could be caused by other plumbing issues too. Separate from performance problems, water softeners should be replaced every 8 to 10 years. You will require the services of a licensed plumber who specializes in water softeners for installation. Costs vary among businesses, but on average, you can expect to pay anywhere from $250 to $600 or more for water softener installation.

Trusted Water Softener Advice and Service in Indianapolis

Call Weilhammer Plumbing Company at 317-784-1870 for affordable water softener service in Indianapolis, Indiana. We offer a wide range of standard and master plumber services for residential and commercial properties, and specialize in water softener installation and repair for all make and model units. We also carry a full line of quality Clack™ Water Softeners for sale at contractor prices! Request a free estimate, today.

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