How To Set Water Softener Hardness Level

A water softener is a device used to remove calcium and magnesium ions from hard water. Hard water can cause scale build-up on pipes and other plumbing fixtures, and can also shorten the life of appliances that use water. A water softener works by exchanging the calcium and magnesium ions in hard water for sodium ions. The amount of sodium added to the water depends on the hardness level of the water. The higher the hardness level, the more sodium is needed to soften the water.

How To Set Water Softener Hardness Level

Water softeners work by exchanging hardness minerals, like calcium and magnesium, for sodium. This is done by running the water through a mineral tank filled with small resin beads. As the water passes through, the hardness minerals attach themselves to the resin beads. The sodium ions are then released into the water and flow on through to the home. Most water softeners have a hardness setting that allows you to control how much sodium is exchanged for hardness minerals. The higher the setting, the more

Water softener, salt, screwdriver, wrench, level

  • Confirm the change is saved
  • Locate the water softener hardness setting
  • Adjust the hardness level as desired

There is no single answer to this question as everyone’s water hardness level will be different. However, a good rule of thumb is to set the water softener hardness level at around 15-20 grains per gallon (gpg). This should provide good results for most people without making the water too soft. If you are unsure of your water hardness level, you can have it tested at your local water utility or purchase a home testing kit.


Frequently Asked Questions

What Does The Hardness Number On A Water Softener Mean?

A water softener’s hardness number is a measure of how much calcium and magnesium are in the water. The higher the number, the harder the water.

What Do Water Hardness Numbers Mean?

Water hardness is a measure of the calcium and magnesium ions in water. The higher the number, the harder the water.

What Is A Safe Level Of Water Hardness?

A safe level of water hardness is around 120ppm.

Is The Higher The Number The Softer The Water?

No, the higher the number the harder the water.


To Summarize

Setting the water softener hardness level is important to ensure that the water softener is working properly and that you are getting the most out of it. The hardness level should be set to the level of your water’s hardness, which can be found on your water bill or by contacting your local water department.

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