Fleck 5600SXT vs AquaTru Classic
Different approaches to water treatment compared side by side. Best for various water quality situations.
Fleck 5600SXT
Salt-Based Water Softener
$650
VS
AquaTru Classic
Countertop RO System
$450
Fleck 5600SXT and AquaTru Classic are different types of water treatment systems. The Fleck 5600SXT costs $200 more. The right choice depends on your water data, household size, and which features matter most to you. Check your city's water quality first to understand what you are treating.
Price Difference: $200
The Fleck 5600SXT costs $200 more. The question is whether the differences justify the cost for your situation.
Full Spec Comparison
| Specification | Fleck 5600SXT | AquaTru Classic |
|---|---|---|
| Grain Capacity | 48,000 | — |
| Flow Rate (GPM) | 12 | — |
| Bathrooms Supported | 1–6 | — |
| Regeneration Type | Metered SXT digital | — |
| Resin Crosslink | 8% | — |
| Valve Type | Fleck 5600SXT digital metered | — |
| Salt Usage | ~40 lb bag every 4–6 weeks | — |
| Warranty | 5 years (valve), 10 years (tank) | — |
| Certifications | NSF/ANSI 44 | NSF 42, 53, 58, 401, P473 |
| Dimensions | 10" x 54" tank + brine tank | — |
| Installation | Moderate (plumbing required) | None (countertop) |
| Water Source | City & Well | — |
| Hardness Removal | Up to 75 GPG | — |
| Iron Removal | Up to 8 PPM | — |
| Stages | — | 4-stage reverse osmosis |
| TDS Removal | — | 99% |
| PFAS Removal | — | NSF P473 certified |
| Lead Removal | — | NSF 53 certified |
| Capacity | — | 3-quart pitcher |
| Flow Rate | — | ~10 min per batch |
| Waste Ratio | — | 4:1 |
| Filter Replacement | — | 0/year |
Frequently Asked Questions
Is the Fleck 5600SXT or AquaTru Classic better?
It depends on your situation. AquaTru Classic ($450) is the better value for most homes. Fleck 5600SXT ($650) offers premium features that may justify the cost for larger households or those wanting maximum convenience.
Is the AquaTru Classic worth it at $450?
AquaTru Classic is one of the most popular water treatment systems on the market. At $450, it offers strong performance for the price. Renters who want RO filtration without installation.
What is the difference between a water softener and a water filter?
A water softener removes hardness minerals (calcium, magnesium) that cause scale. A filter removes contaminants (chlorine, PFAS, lead). They solve different problems. Many homes need both. See our detailed guide. Read our full guide →
Related Guides
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