It treats limescale. It is not a health device. · review
A 50,000-grain whole house water softener with a sediment, GAC and zinc pre-filter rated for PFAs.
That is the one word on this page that appears nowhere else on this shelf.
Per- and polyfluoroalkyl substances are the persistent industrial chemicals that have driven American drinking-water regulation in recent years, and granular activated carbon — the GAC in this pre-filter — is one of the accepted treatments for them.
Aquasure’s own 48,000-grain model lists chlorine, VOCs and pesticides in the same position and does not mention PFAs.
One clarification the page does not make: the pre-filter does that work, not the softener. Ion exchange removes calcium and magnesium. It does nothing to organic chemicals.
48 in (1219 mm), against 62 in (1575 mm) for the maker’s 48,000-grain unit — with two thousand grains more capacity.
That is the quiet reason to prefer this model. A softener needs clearance above the tank to pull the control head for service, and the difference between 48 inches and 62 inches of tank is the difference between fitting under a joist and not.
Among the four Aquasures here, this is the short one.
32,000 — $16.35 per thousand. 48,000 — $13.12. 50,000 — $13.60. 64,000 — $11.72.
So this is not the value pick within Aquasure’s own range; the 64,000-grain unit is, and it is $70 more for 14,000 extra grains.
What this has that the 64,000 does not: the pre-filter, which protects the resin against chlorine, and three hundred millimeters of headroom.
Aquasure’s other three Harmony listings here say fiberglass-lined polyethylene tank. This one says stainless steel.
A stainless jacket over a composite tank is normal at this level, and the listing does not say which part is steel. Fiberglass-lined polyethylene is also entirely good construction for a softener. It is a change of words that may not be a change of product — worth asking before paying for it.
And saving hundreds of gallons of water has no baseline. Aquasana, on this shelf, publishes 28% less water than a time-based softener. That is the form the claim should take.
Available at around $679.99 on Amazon.com when we checked on October 29, 2026, for delivery to a US address.
Stock and prices on Amazon.com move without notice; the button above opens the live listing.
Prices quoted in this text were read on October 29, 2026. The live price is at the top of the page.
| Resin volume | NOT PUBLISHED. The construction is stated STAINLESS STEEL, which the maker’s other Harmony listings do not claim. |
|---|---|
| Stated capacity between regenerations | 50,000 grains, sized for 3–4 bathrooms and up to 5 people — $13.60 per 1,000 grains. |
| Regeneration type | An automatic digital metered valve, backwashing only when needed, stated to save hundreds of gallons through precise backwashing. |
| Connection size | NOT PUBLISHED, and neither is a flow rate. |
| Stated salt consumption | NOT PUBLISHED — the water saving is described in gallons without a figure. |
| Footprint | 11 × 11 in (279 × 279 mm) of floor, 48 in (1,219 mm) tall — the shortest Aquasure tank on this shelf — in two tanks plus the pre-filter housing. The pre-filter is triple purpose, sediment, GAC and zinc, claimed to remove 99% of chlorine, VOCs, PFAs, odors, taste, soil, silt, sand, rust and sediment. NO WEIGHT and no certification are published. Warranty 5 years extended on online activation within 60 days, 30 days money-back, lifetime US technical support. |
| Amazon reference | B0DJRSV3Q1 |
| EAN | 0850068769025 |
Because they are the contaminant class that has driven American drinking-water regulation in recent years, and because almost nobody puts them in writing. Per- and polyfluoroalkyl substances are persistent industrial chemicals, and granular activated carbon is one of the accepted treatments for them. This is the only listing on this shelf that names them — the maker’s own 48,000-grain model lists chlorine, VOCs and pesticides and does not mention PFAs. Note that the pre-filter does the work, not the softener: ion exchange removes hardness, not organic chemicals.
It is a difference in how Aquasure describes this model. Its 32,000, 48,000 and 64,000 grain listings all say "fiberglass-lined polyethylene tank"; this one says "corrosion-resistant, stainless steel". A stainless jacket over a composite tank is common at this level and the listing does not say which part is steel. Worth asking, because a fiberglass-lined polyethylene tank is the normal and perfectly good construction for a softener — the claim here is a difference in words that may or may not be a difference in the product.
If headroom allows, the 64,000 — $749.99 against $679.99, which is $11.72 a thousand grains against $13.60, and 14,000 more grains for seventy dollars. What this model has that the 64,000 does not is the pre-filter, which protects the resin from chlorine and matters on municipal water. And it is 48 in (1219 mm) tall against 1524: three hundred millimeters of ceiling, which in a lot of basements decides it.
Same category, nearby prices, between bathroom fittings. What remains is the specifications every one publishes — half empty, a column is no use.
| Model | Price | Resin volume | Stated capacity between regenerations | Regeneration type | Connection size |
|---|---|---|---|---|---|
| Aquasure Harmony 50,000-grain softener | $680 | NOT PUBLISHED. The construction is stated STAINLESS STEEL, which the maker’s other Harmony listings do not claim. | 50,000 grains, sized for 3–4 bathrooms and up to 5 people — $13.60 per 1,000 grains. | An automatic digital metered valve, backwashing only when needed, stated to save hundreds of gallons through precise backwashing. | NOT PUBLISHED, and neither is a flow rate. |
| GE GXSH35W smart water softener | $699 | NOT PUBLISHED. | 35,000 grains, sized for up to 6 people — $19.97 per 1,000 grains, the second highest on this shelf after the Kenmore. | Metered, with built-in WiFi through the SmartHQ app: instant alerts on low, medium or high continuous flow, low salt reminders and a vacation mode. | 1 in connections with dual O-ring seals, and quick connectors fitting 3/4 in and 1-1/4 in. A custom bypass BLENDING valve sets the softness level or bypasses entirely — the only blending valve on this shelf. Remote whole-house leak shutoff needs the RMVALVESFT valve, SOLD SEPARATELY. |
| Aquasure Harmony 48,000-grain softener | $630 | NOT PUBLISHED. The tank is fiberglass-lined polyethylene, stated corrosion resistant. | 48,000 grains, sized for 3–4 bathrooms — $13.12 per 1,000 grains. | An automatic digital metered head with a programmable backlit display. | NOT PUBLISHED, and neither is a flow rate. |
| Aquasana SimplySoft 40K softener | $749 | NOT PUBLISHED. The method is ion exchange, stated for city or well water. | 40,000 grains, sized for up to 5 people and 4 bathrooms — $18.73 per 1,000 grains. IAPMO CERTIFIED to NSF/ANSI Standard 44 and to CSA B483.1, which only the two Aquasana units here are. | Metered, on an LCD display. | NOT PUBLISHED, and neither is a flow rate. A pre-filter is RECOMMENDED by the maker but SOLD SEPARATELY, in its installation kit. |
This model is listed on Amazon.com, at ≈ $680 at the last reading. Listed is not the same as in stock: availability changes daily, and the buy box shows the live price.
Details checked on October 29, 2026.
A three- or four-bathroom house with low headroom, and anyone who wants PFAs named rather than implied
Amazon reports what buyers took in the month before this page was last checked: at least 200.
The figure is a floor, rounded by Amazon, and read through Keepa — it says what buyers picked, not what a maker claims.
Specifications: the manufacturer sheet for bathroom fittings and the matching Amazon product page. Prices and availability: Keepa. Every figure on this page names its source.
48,000 grain softener · Fleck 5600SXT valve · 10 × 54 in tank, 1.5 cu ft of 10% crosslink resin
A 48,000-grain softener on a Fleck 5600SXT valve with 1.5 cu ft of 10% crosslink resin.
Best for: Anyone who intends to own this for fifteen years and wants to be able to buy parts for it
≈ $805
SimplySoft 60,000 grain · tank and cabinet · for 5+ people and 4+ bathrooms · NSF/ANSI 44 via IAPMO
A 60,000-grain cabinet water softener certified to NSF/ANSI 44, for homes of five or more people.
Best for: A large household that wants certification, published running costs, and a cabinet rather than a tower
≈ $1,049
SimplySoft 40,000 grain · tank and cabinet · up to 5 people and 4 bathrooms · NSF/ANSI 44 via IAPMO
A 40,000-grain cabinet water softener certified to NSF/ANSI 44, using 50% less salt on metered mode.
Best for: A buyer who wants the certification and the running costs in writing, and will pay for both
≈ $749
