Aquasure Harmony 64K
A cheap way to get a large metered softener for a big household or very hard water. Capacity and salt use rest on the maker’s word alone.
Amazon $749.99$749.99
The Aquasure Harmony 64K and the Aquasana SimplySoft 60K are evenly matched, rated 3.2 and 3.2. The Aquasure Harmony 64K leads on value. The Aquasana SimplySoft 60K wins on certification. The Aquasure Harmony 64K costs $299.01 less ($749.99 vs $1,049).
Aquasana SimplySoft 60K
A certified, salt efficient softener for a large household with very hard water that does not need high flow. Homes with many bathrooms in use at once should look for more flow.
Amazon $1,049$1,049
Prices were last checked November 1, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Aquasure Harmony 64K for value ($11.72 per 1,000 grains ($749.99, 64,000 grains) vs $17.48 per 1,000 grains ($1,049, 60,000 grains)).
- Choose the Aquasana SimplySoft 60K for certification (certified to NSF/ANSI 44 vs not certified to NSF/ANSI 44).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every over 48,000 grains water softener; a clear win is highlighted. How we rank explains each one.
| Factor weight | Aquasure Harmony 64K | Aquasana SimplySoft 60K |
|---|---|---|
| Overall rating | 3.2/5 | 3.2/5 |
| Value 30% | 66 $11.72 per 1,000 grains ($749.99, 64,000 grains) | 31 $17.48 per 1,000 grains ($1,049, 60,000 grains) |
| Salt efficiency 20% | 50 salt efficiency not published (neutral score used) | 77 4,543 grains per lb of salt |
| Flow 15% | 50 service flow not published (neutral score used) | 14 11.1 gpm service flow |
| Warranty 25% | 44 5 years on the valve, 10 years on the tanks | 44 5 years on the valve, 10 years on the tanks |
| Certification 10% | 0 not certified to NSF/ANSI 44 | 100 certified to NSF/ANSI 44 |
Specifications
| Aquasure Harmony 64K | Aquasana SimplySoft 60K | |
|---|---|---|
| Capacity | ||
| Rated capacity | 64,000 grains | 60,000 grains |
| Resin | 2 cu ft | 1.5 cu ft |
| Service flow | - | 11.1 gpm |
| Salt efficiency | - | 4,543 grains per lb |
| Highest hardness | - | 200 gpg |
| Highest iron | - | 1 ppm |
| Control | ||
| Valve | Aquatrol digital metered | - |
| Regenerates on demand | Yes | Yes |
| App or remote monitoring | No | No |
| Bypass valve included | Yes | Yes |
| Resin tank | 12 x 52 in | 12 x 35 in |
| Certification and warranty | ||
| NSF/ANSI 44 | No | Yes |
| Valve warranty | 5 years | 5 years |
| Tank warranty | 10 years | 10 years |