SoftPro Elite 64,000 Grain
A premium large softener for big households that want long warranty cover and lower salt use more than the lowest price.
Amazon $1,527$1,527
The SoftPro Elite 64,000 Grain and the Aquasure Harmony 64K are evenly matched, rated 3.2 and 3.2. The SoftPro Elite 64,000 Grain leads on warranty. The Aquasure Harmony 64K wins on value. The Aquasure Harmony 64K costs $777.01 less ($749.99 vs $1,527).
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
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 SoftPro Elite 64,000 Grain for warranty (10 years on the valve, 99 years on the tanks vs 5 years on the valve, 10 years on the tanks).
- Choose the Aquasure Harmony 64K for value ($11.72 per 1,000 grains ($749.99, 64,000 grains) vs $23.86 per 1,000 grains ($1,527, 64,000 grains)).
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 | SoftPro Elite 64,000 Grain | Aquasure Harmony 64K |
|---|---|---|
| Overall rating | 3.2/5 | 3.2/5 |
| Value 30% | 4 $23.86 per 1,000 grains ($1,527, 64,000 grains) | 66 $11.72 per 1,000 grains ($749.99, 64,000 grains) |
| Salt efficiency 20% | 50 salt efficiency not published (neutral score used) | 50 salt efficiency not published (neutral score used) |
| Flow 15% | 50 service flow not published (neutral score used) | 50 service flow not published (neutral score used) |
| Warranty 25% | 100 10 years on the valve, 99 years on the tanks | 44 5 years on the valve, 10 years on the tanks |
| Certification 10% | 50 certification not stated (neutral score used) | 0 not certified to NSF/ANSI 44 |
Specifications
| SoftPro Elite 64,000 Grain | Aquasure Harmony 64K | |
|---|---|---|
| Capacity | ||
| Rated capacity | 64,000 grains | 64,000 grains |
| Resin | - | 2 cu ft |
| 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 |
| Certification and warranty | ||
| NSF/ANSI 44 | - | No |
| Valve warranty | 10 years | 5 years |
| Tank warranty | Lifetime | 10 years |