US
Aquasure

Aquasure Harmony Series Water Softener 48000 Grain

  • 48,000 grains softening capacity
  • 12 gpm maximum flow rate
  • Ion exchange, digital metered head
  • 10 x 10 x 62 inches, 120 pounds
  • Resin tank and brine tank included
  • Programmable, adapter powered

Last refreshed Sep 11, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A whole house softener for larger homes that need a high flow rate and a metered head that regenerates by usage. The listing gives no hardness limit, so check your water test first.

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ASIN: B07F175C2RCategory: Water Softeners

Overview

Not a drinking-water filter, the Aquasure Harmony removes hardness minerals from water as it enters the house. A resin tank swaps those minerals through ion exchange, and a separate brine tank supplies salt solution to refresh the resin.

The reason to buy is the large capacity and fast flow, which suits bigger households or several bathrooms. The limitation is its footprint, and the listing gives no maximum hardness or warranty detail.

Who it's for

Owners of larger houses who want scale protection for pipes and heaters will use the capacity. Renters, small apartments or buyers looking for taste and odor improvement need a different device.

Pros and cons

Pros
  • High flow rate
  • Metered digital control head
  • Both tanks included
Cons
  • Tall footprint needs floor space
  • Hardness limit not listed
  • Runs from a power adapter

Performance notes

Hardness minerals bind to resin beads until they are full, then the head regenerates the resin with brine. A metered head counts water used and regenerates only when needed. Flow rate limits how many fixtures can run at once without pressure loss.

Where it stands among water softeners

  • #3 most-searched brand and model of the 9 water softeners lines we track (by search demand, not sales).

From the specs of the 22 water softeners we list; not a test result.

Specifications

BrandAquasure
Dimensions & fit
Item Dimensions L X W X H10"L x 10"W x 62"H
Item weight120 pounds
Capacity & performance
Capacity48,000 grains
Maximum Flow Rate12 gpm
Power & efficiency
Power SourceAdapter
Construction & materials
Material TypePolyethylene
Compatibility & installation
Installation TypeFreestanding
Included components
Included ComponentsWater Softener Resin Tank and Brine Tank
Unit Count1 Count
Other details
Purification MethodIon Exchange
Part NumberAS-HS48D
Other Special Features Of The ProductProgrammable
Container TypeDispenser

Closest rivals on specs

AFWFilters Fleck 5600 SXT Water Softener 48K Grain
  • Maximum Flow Rate 12 vs 14 gpm (-14%)
Watts Premier OneFlow Plus Salt-Free Scale System
  • Maximum Flow Rate 12 vs 10 gpm (+20%)
Camco TastePURE Portable Water Softener
  • Maximum Flow Rate 12 vs 4 gpm (+200%)
Compare all side by side

Frequently asked questions

Will the Aquasure Harmony 48,000 grain softener filter drinking water?

No. It is listed as an ion exchange water softener, which targets hardness. The listing does not mention chlorine or sediment removal.

Does the Aquasure Harmony 48,000 grain unit need power?

Yes. The power source is listed as adapter.