Aquasure Harmony Series 50,000 Grains Whole House Water Softener with High Performance Automatic Digital Metered Control Head | Reduces Hardness & Minerals | Improve Water Quality | for 4-6 Bathrooms

Why I chose the Harmony 50K

I replaced an aging softener that had been limping along for months, and I wanted two things out of its successor: true metered regeneration (to avoid wasting salt and water) and a whole-house pre-filter to tackle chlorine taste and sediment before it reached the softener. The Aquasure Harmony 50K checked both boxes. After a full install and several weeks of daily use, here’s how it’s performed and what to expect if you’re considering it.

What you get

The package includes a 50,000-grain resin tank (prefilled), a separate brine tank, a stainless-steel bypass valve with quick-connect unions, and a triple-media pre-filter housing with a cartridge. The pre-filter is a combination sediment/GAC/zinc media designed to reduce chlorine, VOCs, PFAS, taste/odor, and particulates. The control head is a fully programmable, backlit, metered valve that counts actual water usage and regenerates as needed.

In practical terms, this is a large system. The resin tank is tall, and the brine tank has the footprint of a small trash can. Measure carefully. If you’re tucking it in a garage corner or utility area, assume you’ll need space behind the tanks to service the control head and get to the bypass.

Installation notes and tips

I installed the unit in my garage where the main line enters. Plumbing-wise, the ports on the bypass are 1-inch, which is ideal for maintaining flow in multi-bath homes. My house was plumbed in 3/4-inch, so I used reducers and a pair of 1-inch FIP stainless flex hoses to make alignment painless. If you’re handy, this is very DIY-able. The softener assembly itself is straightforward; tying into your plumbing and planning a proper drain for regeneration is where you’ll spend most of your time.

A few practical tips from my install:
- Plan the drain before you cut a single pipe. The initial flush and regeneration stages move a lot of water. Use an air gap and secure the discharge line; don’t just drape it into a floor drain.
- The quick-connect unions use O-rings and retaining clips. Lubricate the O-rings with silicone grease, seat them carefully, and make sure the clips fully snap in. A twisted O-ring or a half-seated clip will cause a leak.
- The control head is plastic. Be gentle with threads and avoid over-tightening. Hand-tight plus a quarter turn is plenty on plastic-to-plastic.
- The bypass makes servicing easy; verify the flow direction before you glue or crimp anything.
- Expect to make a run for fittings. I needed reducers, a few elbows, Teflon tape for threaded joints, and some PEX and clamps for a tidy layout.

From first cut to running a full manual regen, the job took me an afternoon with a pipe cutter, wrenches, and a drill. The included instructions are clear, and the component layout is intuitive.

Programming and day-to-day use

The control head’s interface is simple: set the current time, input your water hardness, and confirm the capacity and reserve settings. Because the Harmony 50K is truly metered, it counts gallons and regenerates when capacity is reached. If no water is used (vacation, work trip), it doesn’t regenerate just because a timer says so. That’s a meaningful efficiency gain versus time-clock softeners.

Noise during regeneration is minimal—some gurgling to the drain and a bit of valve cycling, nothing disruptive. I scheduled mine in the early morning hours and don’t notice it from inside the house.

One bonus of the pre-filter: chlorine odor dropped immediately, and the water taste improved. It’s not a substitute for reverse osmosis at a drinking tap, but for whole-house use, showers and laundry benefit most from the pre-filter plus softener combo.

Performance and flow

With the hardness set correctly, the change was immediate. Soaps lather more, rinse water feels “slippery” in the shower (a telltale sign of proper softening), and my kettle stopped developing crusty scale. The biggest improvement shows up at fixtures: glass doors stay clearer and aerators don’t clog with white deposits.

Flow-wise, the 1-inch ports and media bed handled my home’s peak use without drama. Two showers, a dishwasher, and a washing machine running concurrently didn’t cause a noticeable drop in pressure. If you have a very large home, you’ll want to confirm your main line and pre-filter placement are sized sensibly; bottlenecking at 3/4-inch plumbing upstream can still limit flow.

Salt use and maintenance

How much salt you’ll use depends on your hardness and household water consumption. In my case (moderately hard water and a family of four), the unit regenerates roughly once a week and uses a modest amount of salt per cycle. I started with two standard 40 lb bags in the brine tank and topped up after a few weeks. The brine tank is simple to access, and there’s a safety float to prevent overfilling mishaps.

The pre-filter cartridge is a consumable. Expect to change it every 3–6 months depending on your water quality and sediment load. It’s a standard housing with a simple shutoff; swaps take a few minutes with a bucket handy for drips. Keep a spare filter and some silicone grease for O-rings in your utility drawer.

Beyond that, plan a quick visual check every month or so:
- Confirm the bypass is in service position and no union joints are weeping.
- Verify there’s salt above the water line in the brine tank.
- Make sure the drain line remains secured with an air gap.

Resin generally lasts many years in residential use. If you’re dealing with significant iron or manganese, a dedicated filter upstream is a better approach than asking any softener to carry the whole load.

Build quality and usability

The stainless bypass valve feels solid and makes service effortless. The union-style clips are convenient and reduce the need for threaded adapters at the head. As with any O-ring coupling, attention to detail matters during assembly. The control head’s backlit display is easy to read in a dim utility area, and the programming is no-nonsense.

My minor nitpicks:
- The outlet/inlet ports are straight out of the head; 90-degree options would let you tuck the resin tank closer to a wall.
- The system occupies a fair bit of space once you account for the pre-filter, resin tank, and brine tank. Sketch your layout beforehand.
- Like most softeners, you need a nearby GFCI outlet and a reliable drain. If you don’t have those, factor in the cost to add them.

Efficiency and water savings

The metered design is the star here. Regenerating only when you’ve actually consumed capacity means the system avoids the “regen every X days whether you need it or not” waste. Over time, that translates to fewer bags of salt and less water discharged to the drain. For households with intermittent occupancy or variable use (guests some weeks, quiet others), it’s especially valuable.

Warranty and support considerations

Aquasure advertises an extended warranty if you register the product within a set window and provides US-based technical support. That’s reassuring, and parts like control heads and pre-filter cartridges are easy to source. If you’re buying outside the US or through third-party channels, verify warranty eligibility and support coverage before you commit. It’s a small step that can save headaches later.

Who it’s for

• Households with 4–6 bathrooms or anyone who wants to preserve good flow while eliminating hardness.
• DIY-minded homeowners comfortable with basic plumbing or willing to hire out a half-day install.
• Anyone battling scale on fixtures and appliances, or looking to cut down on soap usage and improve water feel.
• Homes on municipal water wanting whole-house chlorine reduction alongside softening.

Who should look elsewhere:
- Houses with significant iron or manganese in the water—plan on a dedicated iron/manganese filter ahead of the softener.
- Very tight mechanical rooms where a two-tank footprint simply won’t fit.
- Situations without a proper drain or where adding one is impractical.

The bottom line

The Harmony 50K delivers what I want from a modern softener: efficient, metered regeneration; strong whole-house flow; and a noticeable improvement in water feel and fixture cleanliness. The included pre-filter meaningfully reduces chlorine taste and odor, and the stainless bypass plus quick-connect unions make both installation and future service straightforward—provided you take care with O-rings and support the drain properly.

Would I recommend it? Yes. For most medium-to-large homes on hard municipal or well water, it’s a well-rounded, DIY-friendly system that balances performance, efficiency, and maintenance costs. The combination of metered control and a capable pre-filter makes daily life better in immediately noticeable ways, and with basic attention to installation details, it’s a set-and-forget upgrade that protects plumbing and appliances for the long haul.