
Aquasure Harmony
Score: 78/100
Kind Water E-3000
Score: 78/100Rankings

The Aquasure Harmony Series 64,000 Grain Water Softener is a salt-based ion exchange system designed for larger households with high water usage. It effectively removes calcium and magnesium to prevent scale buildup and protect appliances, featuring an automatic digital metered control head for efficient regeneration. It is best suited for larger households with 5-7 people and 4 or more bathrooms needing scale prevention.

The Kind E-3000 is a compact, whole-house water filtration system that combines three stages of filtration with salt-free softening technology for municipal water systems. It removes over 155 contaminants while preventing scale buildup through Template Assisted Crystallization, requiring no electricity, salt, or complex maintenance. Best suited for municipal water users with low-to-medium hardness levels seeking contaminant reduction.
| Attribute | ![]() | ![]() |
|---|---|---|
64,000 grainsbest | 75 grains | |
20 GPMbest | 15 GPM | |
7 personsbest | 6 persons | |
| ↓ lower better | 60 inches | 29 inchesbest |
| ↓ lower better | 13 inches | 9 inchesbest |
| ↓ lower better | 29 inches | 25 inchesbest |
5 yearsbest | — | |
— | 25 PSIbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Build & Durability(2) | ||
Tank Material | Polyethylene | N/A |
Warranty Length (years) | 5 years | Lifetime years |
Power & Compliance(2) | ||
Power Source | Electric | None |
Certifications | None Listed | NSF/ANSI 42, 61, 372 |
Performance & Capacity(5) | ||
Grain Capacity (grains) | 64000 grains | 75 grains |
Service Flow Rate (GPM) | 20 GPM | 15 GPM |
Resin Volume (gallons) | Unknown gallons | N/A gallons |
Recommended Household Size (persons) | 7 persons | 6 persons |
Operating Pressure (PSI) | Unknown PSI | 25-120 PSI |
System & Control(4) | ||
Regeneration Control Type | Digital Metered | None |
System Type | Dual-Tank | Salt-Free Filter |
Salt Requirement | Standard Salt | None |
Display Type | Digital | None |
Physical & Installation(5) | ||
Height (inches) | 60 inches | 29.0 inches |
Width (inches) | 13 inches | 9.0 inches |
Depth (inches) | 29 inches | 25.0 inches |
Installation Type | DIY | Built-in |
Weight (lbs) | 149 lbs | N/A lbs |



The search results do not include expert reviews or professional editor assessments of this specific model. No detailed expert analyses, performance testing results, or comparative reviews from professional sources are available in the provided search results.
The search results do not provide detailed user reviews with specific recurring complaints or comprehensive feedback patterns. The only explicit user comment found was positive, noting that the setup was easy and super simple, and that the system works great.

Professional reviewers acknowledge the E-3000's strong contaminant reduction capabilities and ease of installation for DIY users. However, experts explicitly clarify that the system is not a true water softener because it conditions water rather than removing hardness minerals. While limescale still forms, reviewers note that it is significantly easier to clean and lacks the abrasive quality of untreated hard water deposits.
Consumer sentiment is generally positive, reflected in a 4.5-star rating and active engagement in Q&A sections. Users appreciate the convenience of a system that requires no salt or electricity, along with the ease of installation. Common praise includes noticeable improvements in water taste and feel, while recurring concerns focus on the persistence of limescale and the lack of the slippery sensation associated with traditional softeners.
“Easy setup, super simple to setup, works great”

