Spec score 8.7
Salt-based, 40000 Grain capacity
+Whole-house system treats water throughout the home
+40,000 grain capacity
+Automatic digital metered control head
−Salt-based softening requires regular salt refills
$579.99
as of 11/04/2026 11:42 PST - DetailsProduct details
Aquasure Harmony Series 40,000 Grains Whole House Water Softener with High Performance Automatic Digital Metered
$579.99as of 11/04/2026 11:42 PST - Details
View on AmazonSpec score8.7
Pros
+Whole-house system treats water throughout the home
+40,000 grain capacity
+Automatic digital metered control head
Cons−Salt-based softening requires regular salt refills
Compared with the 3 Water Softeners on this page+Metered regeneration: only 14 of 62 here have one
−40000 grain capacity: 21 of the 36 here have a higher grain capacity
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