Our Verdict
Aquasana SimplySoft Salt-Free Whole-House Water Conditioner — 8.6/10. The best low-maintenance, eco-friendly option for scale control without salt, though it won't replicate the silky feel of a traditional ion-exchange softener.
Hard water leaves crusty buildup on faucets, dulls your dishes, and quietly shortens the life of every appliance it touches. The Aquasana SimplySoft promises to tackle scale without salt, chemicals, or a single drain connection. So is this salt-free conditioner actually worth it? Here's our complete breakdown.
Top Pick: Aquasana SimplySoft Salt-Free Whole-House Water Conditioner
Score: 8.6/10 — Best salt-free conditioner for eco-conscious households that want low-maintenance scale control without the ongoing cost and waste of traditional softeners.
TL;DR: The Aquasana SimplySoft (EQ-SS20) conditions hard water using template-assisted crystallization, so scale-causing minerals can't bind to your pipes and fixtures. It needs no salt, electricity, drain, or backwashing — but it does not remove minerals, so don't expect the "slippery" feel of a true ion-exchange softener.
Aquasana SimplySoft Salt-Free Whole-House Water Conditioner
The Aquasana SimplySoft takes a fundamentally different approach to hard water than the salt-based systems most people picture. Instead of swapping calcium and magnesium for sodium through ion exchange, it uses template-assisted crystallization (TAC) to transform those scale-causing minerals into stable, microscopic crystals that stay suspended in the water rather than clinging to surfaces.

Because it conditions rather than removes minerals, there's no brine tank to refill, no salt bags to haul, and no wastewater dumped down a drain. The system requires no electricity and no backwashing cycle, which makes it genuinely low-maintenance — the conditioning media typically runs for years before replacement. For households on a septic system or anyone uncomfortable adding sodium to their water, that's a meaningful advantage.
This unit is best suited to homeowners whose primary concern is protecting plumbing, water heaters, and fixtures from scale buildup, and who value an eco-friendly footprint over the classic soft-water "feel." It's also a strong fit where local regulations restrict salt-based discharge. If you specifically want softened water for laundry, spotless glassware, or that silky shower sensation, understand that a conditioner won't deliver the same result as a softener.
It commonly pairs with whole-house filtration for those who also want chlorine, sediment, or taste improvement, since the SimplySoft addresses scale rather than contaminants on its own. A Culligan whole-house sediment filter is a common companion, and for drinking-water polishing many owners add an under-sink system like the iSpring RCC7AK reverse osmosis filter.
| Specification | Detail |
|---|---|
| Model number | EQ-SS20 |
| Type | Salt-free whole-house water conditioner |
| Technology | Template-assisted crystallization (TAC) |
| Salt required | None |
| Electricity required | None |
| Drain connection | Not required |
| Backwashing | None |
| Category | Water Softeners & Filters |
Pros
- No salt, chemicals, or sodium added to your water
- No drain connection, electricity, or backwashing needed
- Low-maintenance with no recurring salt refills
- Eco-friendly alternative to ion-exchange softeners
- Helps extend the lifespan of pipes, appliances, and fixtures
Cons
- Conditions rather than removes hardness — no "soft water" feel
- Won't produce spot-free dishes the way a softener can
- Does not filter chlorine, sediment, or other contaminants alone
- Effectiveness can vary with very high hardness levels
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| Feature | Aquasana SimplySoft (EQ-SS20) | Typical Salt-Based Softener |
|---|---|---|
| Method | Conditions via TAC | Removes minerals via ion exchange |
| Salt | None | Required, ongoing |
| Electricity | None | Usually required |
| Drain / wastewater | None | Required |
| Adds sodium to water | No | Yes |
| Soft-water "feel" | No | Yes |
| Maintenance | Very low | Regular salt refills |
Tip: If your main goal is protecting plumbing and appliances while staying salt-free and eco-friendly, a conditioner like the SimplySoft is ideal. If you crave true soft-water laundry and spotless dishes, weigh a traditional softener like the Fleck 5600SXT metered ion-exchange softener instead.
How We Chose
We evaluated the SimplySoft against the criteria that matter most for whole-house water treatment: effectiveness at controlling scale, total cost of ownership, environmental impact, installation requirements, and ongoing maintenance burden. We also weighed the trade-offs of salt-free conditioning versus traditional ion-exchange softening so buyers understand exactly what they're getting.
Our assessment prioritizes households that value low maintenance and an eco-friendly setup over the classic softened-water feel. Products that demand recurring consumables, electricity, or wastewater discharge were scored accordingly against this salt-free benchmark.
Final Verdict: Aquasana SimplySoft Is Worth It — For the Right Home
The Aquasana SimplySoft earns our recommendation as the best salt-free whole-house conditioner for homeowners focused on scale protection, low maintenance, and an eco-friendly footprint. It won't replace the feel of a true softener, but if you want to defend your pipes and appliances without salt, drains, or electricity, it delivers exactly that.
Ready to protect your plumbing salt-free? Check the current price of the Aquasana SimplySoft on Amazon.
Does the Aquasana SimplySoft actually soften water?
Not in the traditional sense. It conditions water using template-assisted crystallization, which neutralizes scale-causing minerals so they can't bind to surfaces. The minerals remain in the water, so you won't get the slippery soft-water feel of an ion-exchange softener.
Does it require salt or electricity?
No. The SimplySoft needs no salt, no chemicals, no electricity, and no drain connection. There's also no backwashing cycle, making it very low-maintenance compared to salt-based systems.
Will it remove chlorine or other contaminants?
On its own, the SimplySoft addresses scale rather than contaminants. If you also want to reduce chlorine, sediment, or improve taste, pair it with a dedicated whole-house filtration system.
Is a salt-free conditioner good for septic systems?
Yes. Because it adds no sodium to your water and produces no brine wastewater, a salt-free conditioner is generally a better fit for homes on septic systems than traditional ion-exchange softeners.
How long does the conditioning media last?
The TAC media typically runs for years before it needs replacement, with no daily or weekly upkeep in between. This is one of the system's biggest advantages over salt-based softeners that require regular salt refills.