Salt-based, 50000 Grain capacity
48,000 Grain Water Softeners and Up
9 48,000 grain water softeners and up from AFWFilters, Aquasure, DuraWater and more. Most cost $680 to $1,049, and half cost less than $805.
Whole-house water softeners whose title states a grain capacity of 48,000 grains or more.
We do not pick by hand: a water softener is here because its listed specs pass the checks.
Spec score 8.8
+Whole-house system treats water throughout the home
+50,000 grain capacity
+Automatic digital metered control head
−Salt-based softening requires regular salt refills
$749.99-12%List: $849.99
as of 11/04/2026 11:42 PST - DetailsProduct details
Aquasure Harmony Series 50,000 Grains Whole House Water Softener with Automatic Digital Metered Control Head | Fine
$749.99as of 11/04/2026 11:42 PST - Details
View on AmazonSpec score8.8
Pros
+Whole-house system treats water throughout the home
+50,000 grain capacity
+Automatic digital metered control head
+Iron treatment capability for well water
Cons−Salt-based softening requires regular salt refills
How pros and cons are picked (About: Disclaimer)About this product
Spec score 8.8
Salt-based, 48000 Grain capacity, Fleck 5600SXT
+Whole-house system treats water throughout the home
+Metered regeneration uses water based on usage
+48,000 grain capacity for households with moderate hardness
−Salt-based softening requires regular salt refills
$804.99
as of 11/04/2026 10:41 PST - DetailsProduct details
AFWFilters Fleck 5600 SXT Digital Water Softener with 10% Crosslink Resin | Complete System: 48K Grain, Metered
$804.99as of 11/04/2026 10:41 PST - Details
View on AmazonSpec score8.8
Pros
+Whole-house system treats water throughout the home
+Metered regeneration uses water based on usage
+48,000 grain capacity for households with moderate hardness
+Digital Fleck 5600SXT control valve
Cons−Salt-based softening requires regular salt refills
Compared with the 9 Water Softeners on this page−48000 grain capacity: 12 of the 21 here have a higher grain capacity
How pros and cons are picked (About: Disclaimer)About this product
Salt-based, 80000 Grain capacity
+Whole house coverage treats water at every tap
+80,000 grain capacity for heavy hardness loads
+Includes KDF 85 filtration in the same unit
−Salt-based, so it requires regular salt refills
$2,227.00
as of 11/03/2026 23:10 PST - DetailsProduct details
Genesis 2 Duo Platinum 1.25" Internal Water Softener and Whole House KDF 85 Filtration (80,000 Grains)
$2,227.00as of 11/03/2026 23:10 PST - Details
View on AmazonPros
+Whole house coverage treats water at every tap
+80,000 grain capacity for heavy hardness loads
+Includes KDF 85 filtration in the same unit
+1.25 inch internal valve size
Cons−Salt-based, so it requires regular salt refills
Compared with the 9 Water Softeners on this page+80000 grain capacity: only 3 of 21 here have a higher grain capacity
−Metered regeneration not listed: 14 of the 21 here list one
How pros and cons are picked (About: Disclaimer)About this product
Spec score 9.0
Salt-based, 64000 Grain capacity, Fleck 5600SXT
+Whole-house system treats water at every tap
+64,000 grain capacity for large households
+Metered on-demand regeneration based on water use
$902.99
as of 11/03/2026 22:59 PST - DetailsProduct details
AFWFilters Fleck 5600SXT Water Softener, 64K Grain, 3/4" Bypass | 10% Crosslink Resin, Metered On-Demand Control, Whole
$902.99as of 11/03/2026 22:59 PST - Details
View on AmazonSpec score9.0
Pros
+Whole-house system treats water at every tap
+64,000 grain capacity for large households
+Metered on-demand regeneration based on water use
+Includes 3/4 inch bypass
Compared with the 9 Water Softeners on this page+64000 grain capacity: 12 of the 21 here have a lower grain capacity
How pros and cons are picked (About: Disclaimer)About this product
Spec score 8.8
Salt-based, 48000 Grain capacity
−48000 grain capacity: 12 of the 21 here have a higher grain capacity
$629.99
as of 11/04/2026 11:42 PST - DetailsProduct details
Aquasure Harmony Series 48,000 Grains Whole House Water Softener w/High Efficiency Digital Metered Control Head (48,000
$629.99as of 11/04/2026 11:42 PST - Details
View on AmazonSpec score8.8
Compared with the 9 Water Softeners on this pageCons
−48000 grain capacity: 12 of the 21 here have a higher grain capacity
How pros and cons are picked (About: Disclaimer)About this product
Spec score 8.9
Salt-based, 60000 Grain capacity
+60000 grain capacity: 11 of the 21 here have a lower grain capacity
$1,049.00
as of 11/04/2026 11:42 PST - DetailsProduct details
Aquasana SimplySoft 60K Grain Whole House Water Softener | WH-SF60-BASE | NSF/ANSI 44 | 16.6 GPM | Metered Regeneration
$1,049.00as of 11/04/2026 11:42 PST - Details
View on AmazonSpec score8.9
Compared with the 9 Water Softeners on this pagePros
+60000 grain capacity: 11 of the 21 here have a lower grain capacity
How pros and cons are picked (About: Disclaimer)About this product
Spec score 8.8
Salt-based, 48000 Grain capacity, Fleck 5600SXT
+Whole house system for all water outlets
+Fleck 5600SXT digital metered-demand control
+48,000 grain capacity
$804.99
as of 11/04/2026 10:41 PST - DetailsProduct details
AFWFilters 48K Grain Water Softener Fleck 5600 SXT with Crosslink Resin | Digital Metered-Demand Control,
$804.99as of 11/04/2026 10:41 PST - Details
View on AmazonSpec score8.8
Pros
+Whole house system for all water outlets
+Fleck 5600SXT digital metered-demand control
+48,000 grain capacity
+Metered control regenerates based on water usage
Compared with the 9 Water Softeners on this page−48000 grain capacity: 12 of the 21 here have a higher grain capacity
How pros and cons are picked (About: Disclaimer)About this product
Salt-based, 48000 Grain capacity, Fleck 5600SXT
+Whole-house system treats water at every tap
+48,000 grain capacity for medium to large households
+Fleck 5600SXT control valve
$825.00
as of 11/04/2026 17:42 PST - DetailsProduct details
DURAWATER Fleck 5600 SXT Whole House Water Softener, 48,000 Grains, Black | Ships Loaded With Resin In Tank
$825.00as of 11/04/2026 17:42 PST - Details
View on AmazonPros
+Whole-house system treats water at every tap
+48,000 grain capacity for medium to large households
+Fleck 5600SXT control valve
Compared with the 9 Water Softeners on this page−Metered regeneration not listed: 14 of the 21 here list one
−48000 grain capacity: 12 of the 21 here have a higher grain capacity
How pros and cons are picked (About: Disclaimer)About this product
Spec score 8.8
Salt-based, 50000 Grain capacity
$679.99
as of 11/04/2026 11:42 PST - DetailsProduct details
Aquasure Harmony Series 50,000 Grains Whole House Water Softener with High Performance Automatic Digital Metered
$679.99as of 11/04/2026 11:42 PST - Details
View on AmazonSpec score8.8
About this product
Compare specs
| water softener | System type | Grain capacity | Control valve | Spec score | Price |
|---|---|---|---|---|---|
| Salt-based | 50000 | 8.8 | $749.99 as of 11/04/2026 11:42 PST - Details | ||
| Salt-based | 48000 | Fleck 5600SXT | 8.8 | $804.99 as of 11/04/2026 10:41 PST - Details | |
| Salt-based | 80000 | n/a | $2,227.00 as of 11/03/2026 23:10 PST - Details | ||
| Salt-based | 64000 | Fleck 5600SXT | 9.0 | $902.99 as of 11/03/2026 22:59 PST - Details | |
| Salt-based | 48000 | 8.8 | $629.99 as of 11/04/2026 11:42 PST - Details | ||
| Salt-based | 60000 | 8.9 | $1,049.00 as of 11/04/2026 11:42 PST - Details | ||
| Salt-based | 48000 | Fleck 5600SXT | 8.8 | $804.99 as of 11/04/2026 10:41 PST - Details | |
| Salt-based | 48000 | Fleck 5600SXT | n/a | $825.00 as of 11/04/2026 17:42 PST - Details | |
| Salt-based | 50000 | 8.8 | $679.99 as of 11/04/2026 11:42 PST - Details |







