The Best Water Softeners 2025

1. Diamond Crystal® Iron Fighter® Salt Pellets for Water Softeners 40 lb. Bag

In addition to hard water, many homeowners struggle with iron in their water supply. Iron can be found in city water supplies and in private wells. Rust stains, where there has been water, are a good indication that you have iron in your water supply. Iron Fighter® Water Softener Salt Pellets are specially formulated for water with high iron content. These 99.6% pure water softener salt pellets help prevent rust stains on laundry, fixtures, sinks and tubs. Virtually 100% water soluble, it also minimizes mushing, bridging and rust buildup in your water softener brine tank?helping to keep your water softener running smoothly. Our patented two-handled, 40 and 50 lb. bags make lifting and carrying easier than ever. Recommended for most types of water softeners, particularly in regions of high-iron water content.

Formulated for use where iron content in water is high Premium purity - up 99.6% pure salt An FDA-approved additive helps prevent rust stains on laundry, fixtures, sinks and tubs Virtually 100% water soluble Minimizes mushing, bridging and rust build up in your brine tank Patented two-handle bags make lifting and carrying easy Recommended for most types of water softeners

2. Morton® Salt Clean and Protect® Plus Rust Defense® Water Softener Salt Pellets, 40 lb. Bag

Morton® Salt Clean and Protect® Plus Rust Defense® remove excess iron, giving you better-tasting water and helping to reduce rust stains. For the many households that have hard water, it is a solution for softer water that provides many added benefits. When used, Morton® Clean and Protect® Plus Rust Defense® is formulated to help prevent buildup in pipes and appliances, helping to extend their life and improve efficiency. In addition, makes dishes easier to clean and leaves hair and skin feeling softer after washing and bathing. To continue to see the benefits of Morton Water Softener Salt Pellets, it is recommended that every other month you add between two and four new bags to your tank, depending on the number of people in your household. In order to make carrying and pouring our 40 lb. bags easier, this bag features a sturdy plastic handle with an easy-tear opening.

Improves Water Taste: Morton Salt Clean and Protect Rust Defense is a premium salt that helps to improve the taste of your water by removing excess iron. Reduces Rust Stains: Helps prevent rust stains from forming on fixtures and clothing. Extends Appliance Life: Helps to prevent buildup in your appliances and pipes, which extends their life and improves appliance efficiency. Softer Feeling Skin and Hair: Helps to soften water to avoid the dryness to skin and hair that hard water can cause. Less Buildup: Use Morton Water Softener Salt Pellets in your softener to decrease the buildup that hard water can leave inside your pipes and appliances that use water. Easier Cleaning: Soft water leaves your glasses, dishes and faucets sparkling clean and virtually spot free, making cleaning a breeze. Conveniently Designed: This 40 lb. bag features an easy-tear opening and sturdy plastic handle, making it easier to lift, open and pour.

3. Diamond Crystal Bright & Soft Water Softener Salt Pellets, 40 Lb.

Keep your shower and appliances running smoothly by transforming your hard water with these Diamond Crystal Bright and Soft Water Softener Salt Pellets. They contain up to 99.8 percent pure salt to transform your home's hard water into soft water with no unsightly residue. Use it to help extend the life of appliances, pipes and fixtures throughout your home. The Bright & Soft Salt Pellets also help to keep your laundry and hair soft and bright. They're available in a patented two-handle bag that allows for easy lifting and carrying. Completely water soluble, these Diamond salt pellets consist of compact pellets that are specially formulated to prevent mushing and bridging.

Diamond Crystal Bright and Soft Water Softener Salt Pellets, 40 lb: Helps extend the life of appliances, pipes and fixtures Helps keep laundry and hair, soft and bright Premium-purity water softener salt Diamond Salt Pellets are up to 99.8% pure salt Virtually 100% water soluble Compacted pellets specially formulated to prevent mushing and bridging Patented 2-handle bags make lifting and carrying easy Recommended for most water softeners

4. Morton Salt SS Demand-Controlled 20,000 Grain Water Softener

The Morton Water Softener makes showers softer on your skin. It's simple to install thanks to the included parts and detailed instructions. This demand-controlled house water softener features a high-efficiency design that uses low amounts of salt. Its Look Ahead Technology analyzes past water usage to predict your future needs to work proactively. You can set it to recharge at night or immediately for times when you're using lots of water.

Morton Salt SS Demand-Controlled Water Softener: 20,000-grain capacity for medium households Whole house system Morton Salt SS soft water system features a space-saving, compact design Demand-initiated regeneration removes hardness minerals based on water usage Provides outstanding savings on salt, water and money High-efficiency uses 50% less salt Look Ahead Technology learns your family's water usage patterns and predicts your future soft water needs, only regenerating when needed, saving salt and water Recharge Tonight/Recharge Now options for times of exceptionally heavy water usage

5. Morton System Saver Demand Water Softener, 34,000 grain, MSD34C

Improve the quality of your tap water at home with this environment-friendly Morton System Saver Demand Water Softener. This effective 34,000 grain water softener uses less salt and is a whole-house system ideal for larger households with all water-hardness levels. The compact design of the Morton System Saver water softener fits in 1.3 square feet of space and features battery-free power interruption protection. You'll love using this Morton System Saver Demand Water Softener, as improved quality water gives you better lathering soaps, whiter and brighter laundry and clean, spot-free dishes. If you want to solve your hard water problems, consider buying this unit for your home. Morton System Saver Demand Water Softener, 34,000 Grain, MSD34C: Highly efficient, uses less salt 175-lb salt storage capacity Whole-house system, ideal for larger households with all water-hardness levels Compact design fits in 1.3 sq ft space Battery-free power interruption protection Regenerates only when needed, saving salt and water Removes up to 4ppm clear water iron Includes bypass valve, easy-installation kit, water-hardness test strip, 24-volt transformer and drain hose Assembled dimensions: 19.0"L x 22.5"W x 44.0"H Model# MSD34C

6. Morton Salt Demand Compact 27,000-Grain Water Softener

The Morton Salt Demand Water Softener is for medium to large households. It features a demand initiated regeneration that removes hardness minerals based on water usage.

27,000-grain capacity for medium to large households Whole house system Space saving, compact design Demand initiated regeneration removes hardness minerals based on water usage High efficiency uses 50 percent less salt Recharge Tonight/Recharge Now option for times of exceptionally heavy water usage Easy, do-it-yourself installation kit and instructions

7. Diamond Crystal Water Softener Pellet 25 Lb.

Diamond Crystal Water Softener Pellet 25 Lb.

Brand Name: Diamond Crystal Container Size: 25 lb. Packaging Type: Bagged NSF Listed: No Product Form: Pellets Product Type: Water Softener Salt

8. Cargill Salt 7036742 Sun Gems Water Softener Salt

The benefits of the natural crystal diamond crystal and your home high-purity salt, evaporated naturally by sun and wind, helps to keep softener clean. Helps soap and detergents to lather easier, while being gentle on hair and skin. Specifications Weight: 40 lbs - SKU: ACHR129405

Highlights:Size: 40 lb. crystalsHigh purityExtra large crystalsTypically 99.6% pure saltContains very low insoluble matter content, minimizing accumulation of brine tank residueResists mushing, bridging and channelingCarefully sized for maximum effectiveness and improved percolationFor all water softenersPolybagged

9. EcoPure 16 Oz. Liquid Water Softener Cleaner 7346596 7346596 449412

EcoPure water softener cleaner maintains water softener's peak performance and efficiency. Removes iron, sediment, dirt, and rust from water softener's resin bed. Helps remove harmful deposits from resin bed, valve and system that salt alone cannot remove. Use every four months to keep softeners running smoothly. Universally designed for use in any brand water softener. Size: 16 Oz.Type: Liquid

EcoPure 16 Oz. Liquid Water Softener Cleaner 7346596 7346596 449412

10. ProTec Humidifier Water Treatment

Continuously cleans your humidifier for 30 days. Easy to use, just drop in the tank. Protects against mold and bacteria. Brand:Honeywell;Global Product Type:Humidifier Filters;Width:3";Depth:1 1/2";Height:7";Pre-Consumer Recycled Content Percent:0%;Post-Consumer Recycled Content Percent:0%;Total Recycled Content Percent:0%;

ProTec Humidifier Water Treatment