Best Water Softener Salt 2021- Top Reviews & Buying Guide

If you have a water softener that uses salt, then you just need to know which is the best water softener salt. All salts are not equally effective for all water softeners. There are also various types of salts manufactured by different companies.

Usually, Water softener works on an ion-exchange process to soften the water. In this process, when we put salt into the water, it triggers a reaction with unwanted mineral in water and removes them from moisture.

We covered a list of some best water softener salt reviews below. To get your required salt, you can check our list and read the buying guide.

 Our Top Picks 

Best Water Softener Salt

Best Water Softener Salt

List of 5 Best Water Softener Salt:

Morton Salt 1501⭐⭐⭐⭐⭐
PRO RUST OUT Water Softener Cleaner⭐⭐⭐⭐⭐
Morton U26624S⭐⭐⭐⭐
Nature's Own Water Softener Potassium Solution:⭐⭐⭐⭐
Cargill Salt 7304⭐⭐⭐⭐

1. Morton Salt 1501:

When we need Salt for our water softener, then the first name that came in the market is Morton Salt 1501. This company is leading the industry by making very effective salts for water treatment. You can use this Salt without any hesitation. Its special technical formula improves the life of water softeners. Its unique patented also extends the life of other water products and enhances efficiency.

Morton Salt 1501 - Best water softener salt

The most amazing fact is that softened water we get after using this Morton water softener salt is significantly healthier for your hair and skin. This Salt comes in handy you just have to open the bag and pour it into hard water. It also prevents unwanted minerals in the tanks.


1: Item  Weight: 50 pound

2: Product dimensions:  16 x 15 x 4 Inches

3: Voltage: 110 V

4: Batteries: NO

Pros and Cons:

  • Simple to Use
  • The pure USA made product
  • Improves the efficiency of water softeners
  • Number 1 product in the market
  • Not available in many colors
  • May be expensive

Expert Opinion: 

We highly recommend this product because of its high quality and a large number of satisfied customers around the world. By using this product you also increase the life of your water softeners.  However, you can also check our other reviews listed below before making a final decision.


2. PRO RUST OUT Water Softener Cleaner:

This water softener cleaner is a fine product made by pro products. It cleans the unnecessary iron build-up in the resin beds. Its smart chemical formula helps the water softener to restore its original performance. It rusts out the iron into a soluble form, which can be removed easily.

Pro Rust Out water softener Cleaner

This cleaner is made in the USA. You can use it to clean rust stains from shower and toilets etc. We also called this product a rust remover because it removes the remaining rust particles from water softeners. They also have special formula for well water.


1: Item  Weight: 1.6 pound

2: Product dimensions:  4.5 x 2.2 x 9 Inches

3: Voltage: N/A

4: Batteries: N/A

Pros and Cons:

  • Easy to Use
  • Removes the Iron build-up
  • Improves the performance efficiency of water softener
  • Needs mixing before use
  • Time taking

Expert Opinion:

We recommend that product if you have high level of iron in the water and rust in the resin beds. It chemically removes the iron and clean the rust. You can also use this product to remove stains from clothes, toilets and sinks. Overall satisfaction rate of this product is really good. According to company instructions add 1/4 cup for every 40 pounds of salt.


3. Morton U26624S:

This Morton U26624S is composed of high purity sodium chloride crystals, which can remove hard water stains from dishes, showers, and appliances. If you have a problem with unwanted minerals build up in your plumbing fixtures, then it will help you a lot.


This product is composed of natural ingredients that are healthier for the body. You can feel the softness on your face after using this. It will also decrease the dryness of your skin.


1: Item  Weight: 40 pound

2: Product dimensions: 12 x 3.5 x 25 Inches

3: Voltage: N/A

4: Batteries: N/A

Pros and Cons:

  • Natural salt crystals
  • Remove the mineral build-up
  • Useful for all water softeners
  • Fewer spotty dishes
  • Bit expensive

Expert Opinion: 

This is another good option for you. We are recommending this because of its natural salt composition. In order to get full advantage of this product you have to add approx 2 to 4 bags in your tank after every month. We hope it will give you the result according to your expectations.


4. Nature’s Own Water Softener Potassium Solution:

If you are simply looking for an excellent alternative to sodium-based salts, then this potassium-based solution is the best fit for your needs. Potassium chloride will work same as sodium chloride. In general, potassium chloride is much healthier than sodium chloride.

Natures Own Pottasium Chloride saltPotassium-rich water is also good for health in many ways. Some people think that potassium is not good for water softeners efficiency, but that is just a myth. In reality, potassium and sodium-based solutions are equally good for water softeners.

A standard bag of potassium solution contains 40 pounds of salt and it is more expensive than the sodium salt. When you start drinking water containing potassium salt it will pose a good impact on your health.


1: Item  Weight: 40 pound

2: Product dimensions:  6 x 10 x 14 Inches

3: Voltage: N/A

4: Batteries: No

Pros and Cons:

  • Healthier then sodium
  • Useful for all water softeners
  • Good for plants
  • Expensive then sodium-based solutions

Expert Opinion: 

This is a good choice for some people who may have health issues with sodium-based salts. Both sodium and potassium can remove the hardness of water easily. In this case, you have to use more quantity of potassium chloride than sodium chloride in the same amount of hard water. At the end, we advised our readers to use this salt according to your needs.


5. Cargill Salt 7304:

Cargill Salt is a solar-based natural salt crystal. This multipurpose Salt is perfect for water softeners’ health. Generally, it can be used for regenerating ion exchange resin in water softeners. It consists of 99% of sodium chloride, and it is approx 100% soluble in water.

Cargil salt 7304 - Best Salt

This Salt is also used for meat processing, curing pickles, and grading of vegetables. It comes in polybags weighing form 2o pounds to 20 kg.


1: Item  Weight: 40 pound

2: Product dimensions:  3.8 x 16 x 24 Inches

3: Voltage: No

4: Batteries: No

Pros and Cons:

  • Cleaner then rock Salt
  • Comes in poly bags
  • Also used for curing Pickles & olives
  • Extra shipping cost may apply

Expert Opinion: 

This product is a type of solar Salt, unlike rock salt. Generally, solar salts are more efficient and cleaner then rock salts. Another good thing about that Salt is that it doesn’t need any bridging. Some customers also said that this product is less efficient but they are very few in numbers. However, we advised you to order this salt from a link below and give it a try.




Buying Guide:

If you’re using a salt-based water softener at home, then you must know which Salt is best for your water softener.  Before choosing the best water softener salt, you have to know about your water softener itself, and you can do that by reading our Buying Guide for water softeners.

Here in this section, we are going to tell you some simple tips which helps you a lot while buying Salt for your water softener.

Type of Salt:

There are different types of Salt, like, Solar Salt, Rock salt, Potassium chloride, etc. Every kind of Salt has its characteristics. So read the reviews and product descriptions in detail and then make your order.

The need of Salt:

Another important thing is why you need Salt. If you want to need Salt for dishwasher, then it’s a different type of Salt as compared to table salt. Above reviewed salts are mostly used for water softeners so you can easily choose one of them.


You don’t have to worry about the above heading because Salt itself doesn’t need any maintenance. The only thing you have to care about is that choose the type of Salt according to the use of water like for dish wash, drinking, laundry, etc.

Also, keep checking the water softener tank and salt bridge regularly. Your carelessness may decrease the life of your product.


Different type of salts comes with different kind of tastes. We recommend you check the taste of water after using some salt, and if you don’t like the taste of sodium chloride, then you can use potassium chloride for less salty taste.


Usually, salts are not pricy like water softeners, so budget is not a critical issue. However, you can check our list above and choose your Salt according to your account.

Frequently Asked Questions

1. What is the best type of Salt to use in the water softener?  

There are many types of Salt for a water softener, but sodium chloride always remains the best Salt for water softener due to its efficient use and low price. When we come to manufactures, then Morton is a pioneer of salt making. There also other choices in the market, like potassium chloride, rock salt for a water softener, salt pellets, evaporated salt pellets, etc.

2. How to add Salt into water softener? 

Mostly water softeners usually do this in an automatic regeneration cycle. But if you want to do it manually, then open the brine tank and clean it from build up. After cleaning it pour 1 to 2 bags of salt into the brine tank and regenerate the water softener manually. Regeneration processes may differ in different models, but you can do it by using the control panel.

3. Salt Crystals or Salt pellets, Which is better?

Both work well in water softeners, but according to our research, water softener pellets are more efficient. Mostly when we use salt crystal, it causes bridging in the tank, unlike salt pellets. We give priority to salt pellets over salt crystals.

4. Can we mix different types of salts in our water softeners?

If you are using one kind of Salt and one day you’re run out of its supply, then you may have to use different types of salts. No evidence using different types of Salt can bring harm to water softeners.  You can use different types of Salt. However, we recommend you to double-check the tank and water softeners just for precautions.

Final Verdict: 

We are confident that this article clears your many common confusion about choosing the best water softener salt. Before choosing your water softener salt, kindly read the instruction manual of the product carefully. We wish you the best of luck for your new best softener salt.

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