Is Well Water Hard or Soft? 5 Best Water Filters for Hard Water

Is Well Water Hard or Soft?

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Are you grappling with hard water issues at home? The first step towards finding a solution is knowing whether your well water is hard or soft. Many homeowners need help understanding their water type and often rely on guesswork. Luckily, we’re here to give you a comprehensive guide that will help you determine if your well water falls under the hard or soft category. So, let’s dive in and explore is well water hard or soft and what exactly makes well water either hard or soft!

What is Well Water?

Water that comes from a well is called well water. While the water from public sources is treated to remove impurities, well water is not. It means that well water may contain minerals, like iron, that can make it hard. The hardness of well water depends on the source of the water and how deep the well is.

Is Well Water Hard or Soft?

Water hardness is caused by dissolved minerals, including calcium, magnesium, and sometimes iron. These minerals enter your water supply through the ground, and they can make your water hard. To find out if your well water is hard or soft, you must have it tested. You can ask your local water supplier for a test strip or purchase a hardness testing kit from a hardware store.

Is Well Water Hard or Soft?
Is Well Water Hard or Soft?

How to Test Whether Well Water is Soft or Hard

If you want to test whether your well water is hard or soft, you can do a few simple tests at home:

  1. Fill a glass with well water and let it sit for 24 hours. If there is a decrease in volume or a color change, this indicates that the water is hard.
  2. Place a drop of soap on the surface of the water. If the soap dissolves quickly, the water is soft; if it takes longer to dissolve or forms bubbles, the water is hard.
  3. You can use a home testing kit to measure the hardness of your well water.
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Does Well Water Require a Water Softener?

Water hardness is caused by dissolved minerals, specifically calcium and magnesium. These minerals are found in many rock types, including limestone and gypsum. When rainwater seeps through the ground, it dissolves these minerals, which then become part of the water supply.

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Well water is often harder than municipal water because it has a higher concentration of dissolved minerals. It is because well water comes from a private source and is not treated with chemicals to remove these minerals.

While hard water poses no health risk, it can be a nuisance. Hard water can cause soap to form scale on fixtures and clothing, making it challenging to get suds when washing dishes or laundry. A water softener can help solve these problems by removing the dissolved minerals from the water.

5 Best Water Filters For Hard Water

Water filters for hard water generally work by either removing the minerals that cause hardness or neutralizing them so they no longer have an effect. Different types of water filters can be used for this purpose. The most effective one for your home will depend on the hardness’s severity and the other water characteristics.

Here are 5 different types of water filters that can be effective for hard water:

1. iSpring RCC7

The iSpring RCC7 is a high-capacity under-sink 5-stage reverse osmosis drinking filtration system. Its NSF certification ensures the highest standard of filtration performance and water quality. The system effectively removes impurities and contaminants, including minerals, providing clean and great-tasting drinking water. With a production rate of 75 gallons per day (GPD), it can meet the water needs of households and small businesses. The brushed nickel faucet adds an elegant touch to your kitchen decor. Upgrade water filtration with the iSpring RCC7 for reliable and efficient reverse osmosis filtration.


  • Effective Filtration
  • NSF Certified
  • High Capacity
  • Brushed Nickel Faucet


  • Installation Complexity
  • Waste Water Ratio
  • Space Requirement
iSpring RCC7, NSF Certified, High Capacity Under Sink 5-Stage Reverse Osmosis Drinking Filtration System, 75 GPD, Brushed Nickel Faucet
  • [Effectively Remove Contaminants] This iSpring RO system is designed to produce great-tasting water that is clean, pure, and healthy for drinking. It...
  • [Certified to NSF/ANSI 58] The iSpring reverse osmosis water filters are designed in the United States and produced in strict accordance with American...
  • [Low Maintenance and Leak-free Design] Quality components ensure reliability and low maintenance for many years to come. Clear see-through 1st stage...

2. APEC Water Systems ROES-50

The APEC Water Systems ROES-50 is a reliable and efficient 5-stage reverse osmosis drinking water filtration system. It is designed to deliver high-quality drinking water by removing impurities and contaminants, including minerals, chlorine, and other harmful substances. A capacity of 50 gallons per day (GPD) can provide a steady supply of purified water for your household. The system is easy to install and maintain, making it a convenient choice for homeowners. Upgrade your drinking water quality with the APEC ROES-50 for clean and refreshing water straight from your tap.


  • Effective Filtration
  • High Capacity
  • Easy Installation
  • Quality Construction


  • Wastewater Production
  • Regular Maintenance
APEC Water Systems ROES-50 Essence Series Top Tier 5-Stage WQA Certified Ultra Safe Reverse Osmosis Drinking Water Filter System
  • Supreme quality - designed, engineered, and assembled in USA to guarantee water safety & your health.
  • Only technology to remove up to 99% of impurities including arsenic, chlorine, lead, fluoride, heavy metals, and 1000+ impurities. Max Total Dissolved...
  • WQA Certified System. Premium long-lasting filters used to treat tap water, well water. Provide unlimited clean, refreshing crisp tasting water...

3. Home Master TMJRF2 Jr F2 Multi-Stage

The Home Master TMJRF2 Jr F2 Multi-Stage Countertop Water Filter System is a compact and efficient solution for clean and healthy drinking water. With its multi-stage filtration process, this countertop filter system effectively removes contaminants such as fluoride, chlorine, chemicals, pesticides, and more, providing up to 93% filtration efficiency. The replaceable filter cartridge has a capacity of 500 gallons, ensuring long-lasting filtration performance. The compact design allows easy installation on your countertop, providing convenient access to filtered water for drinking and cooking. Upgrade your water quality with the Home Master TMJRF2 Jr F2 Multi-Stage Countertop Water Filter System for pure and refreshing water at your fingertips.


  • Multi-Stage Filtration
  • High Filtration Efficiency
  • Replaceable Filter Cartridge
  • Compact and Easy to Install


  • Countertop Placement
  • Specific Contaminant Removal
  • Countertop filters may have a slower flow rate
Home Master TMJRF2 Jr F2 Multi-Stage Countertop Water Filter System, 500 gallon Replaceable, Filters Fluoride Chlorine Chemicals Pesticides and more up to 93%
  • Highly pure water - three-stage filter removes up to 93 percent of fluoride, chlorine, and other chemicals
  • Efficient, space-saving design - compact design takes up minimal space and easily fits on any sinktop
  • Simple and easy installation takes only minutes

4. Express Water RO5DX RO

The Express Water RO5DX Reverse Osmosis Filtration System is a reliable and efficient solution for clean and great-tasting drinking water. This NSF-certified 5-stage RO system effectively removes impurities, contaminants, and other harmful substances from your water supply. With a production rate of 50 gallons per day (GPD), it can provide your household with a steady supply of purified water. The system includes a faucet and tank, making it convenient and easily accessible. The compact design of 14 x 15 x 5 inches allows easy installation under the sink. Upgrade your water filtration with the Express Water RO5DX for pure, refreshing water you can trust.


  • Effective Filtration
  • High Production Rate
  • Convenient and Compact Design


  • Regular Maintenance
  • Initial Investment
Express Water RO5DX Reverse Osmosis Filtration NSF Certified 5 Stage RO System with Faucet and Tank – Under Sink Water Plus 4 Filters – 50 GPD, 14 x 17 x 5, White
  • Reverse Osmosis Water Filter: Experience what water should taste like with the Express Water reverse osmosis water filtration system reducing up to...
  • Water Purification System: Drink the healthiest water on Earth. All our water filters are specially engineered to work together, producing the safest...
  • Under Sink Water Filter: Don’t waste money on professional installation. Express Water’s quick and easy-to-understand design means you can install...

5. Culligan – US-EZ-1 US 1 EZ

The Culligan US-EZ-1 EZ-Change Under-Sink Water Filtration System is a reliable and convenient solution for clean and great-tasting drinking water. This system is designed for easy installation and features a dedicated faucet and filter. With a capacity of 3,000 gallons, the filter provides long-lasting filtration performance. The chrome finish adds a sleek and modern look to your kitchen. Upgrade your under-sink water filtration with the Culligan US-EZ-1 for convenient access to clean and refreshing drinking water at your fingertips.


  • Easy Installation
  • Long-Lasting Filtration
  • Dedicated Faucet
  • Chrome Finish


  • Filter Replacement
  • Under-Sink Space Requirement
  • Maintenance and Cost
Culligan - US-EZ-1 US 1 EZ-Change Under-Sink Drinking Water Filtration System with Dedicated Faucet and Filter, 3,000 Gallon, Chrome
  • Provide your family with visibly clean, great-tasting water for drinking, cooking and more
  • FEATURES: Filter reduces particulates class III, chloride and removes bad taste and odor from water; quick connect fittings with twist-on/off...
  • COMPATIBILITY: Culligan RC-EZ-1, RC-EZ-3, and RC-EZ-4 replacement cartridges

Ultimately, the best type of water filter for hard water will depend on the specific mineral content and other contaminants present in the water, as well as personal preferences and budget. It’s essential to have your water tested by a professional to determine the most effective filtration solution for your needs.

Whatever type of filter you choose, it’s essential to have it serviced regularly to ensure it’s working properly and preventing harmful bacteria or contaminants from entering your home.


Well water can be hard or soft, depending on its mineral content. Testing your well water is the only way to know if it’s hard or soft and requires analysis from a certified lab. If you have hard water, consider installing a filtration system that can soften it and make it easier to use for household purposes. Softened water also tends to be better for skin and hair hygiene, so many benefits are associated with treating your well water appropriately.

While various types of water filters can be effective for hard water, the best solution will depend on the specific needs of your home and water. Regular filter maintenance is vital to keeping your water clean and healthy.



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