Greenwave
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GreenWave Salt-Free Water Softener Alternative
SKU:
385-GW-100-10
A salt-free alternative that prevents scale buildup. Operates without electricity, ensures zero water waste. Ideal for those seeking a maintenance-free, environmentally conscious water treatment solution.
Subtotal:
$1,546.95
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Frequently Bought Together
Newly Improved: GreenWave Salt-Free Water Conditioner.
No salt. No drain. No power.
Stops scale from sticking in your pipes, fixtures and water heater.
- Cut scale buildup on faucets, shower heads and pipes
- Wastes no water and helps your appliances last longer
- Keeps the healthy minerals in your water
BeforeAfter
The difference you’ll notice with GreenWave:
Less crust, less scrubbing, a water heater that isn’t fighting scale.
BeforeAfter
Faucets, shower heads and glass stay cleaner.
Far less scale bakes onto your fixtures. The spots that still form wipe off with a cloth, not a scraper or harsh chemicals.
Your water heater lasts longer.
Scale builds up fastest where water gets hot. GreenWave helps keep the tank and heating elements clear, so they keep running the way they were built to.
No more hauling salt.
No 40-pound bags in the trunk, no brine tank to refill and no regeneration schedule. Nothing to plug in, nothing to program, nothing to babysit.
Water that still feels like water.
No slippery feel and no added sodium. Calcium and magnesium stay in your water; they just stop sticking.
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No salt to haul.
No bags, no brine tank and no chemical regenerants, ever.
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Nothing to plug in.
No control valve and no electricity.
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Not a drop wasted.
No backwash and no drain line, so GreenWave can go in where salt softeners are banned.
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Media that lasts.
The crystal-forming reaction doesn’t use up the media. When it is finally spent, a rebed kit refreshes it and you keep the tank.
Full water pressure, even with every tap running
No drop in flow rate. Water needs just 5 seconds with the media, so showers, sinks and appliances all run at full flow.
0306090 seconds
Contact time the water needs with each media, at any hardness level.
Scale-free pipes and fixtures, with no salt to haul
No salt, no upkeep. GreenWave turns hardness into crystals that can’t stick, using Template Assisted Crystallization (TAC).
CalciumMagnesiumBicarbonateMicro-crystal
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1
The media grabs the minerals.
Beads in the tank pull calcium and magnesium out of the water.
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2
Minerals lock into tiny crystals.
The minerals form microscopic crystals on the beads, and each crystal seeds the next.
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3
Crystals rinse away instead of sticking.
The crystals float off and down the drain, so hardness can’t bake on as scale or fight your soap.
The straight truth: what conditioners can and can't do
GreenWave does
- Stops scale from sticking to fixtures, pipes and your water heater
- Loosens existing buildup over time
- Keeps calcium and magnesium in your water, with no added sodium
- Works with no salt, power, drain or wasted water
GreenWave doesn’t
- Make water “soft”: a hardness test reads the same before and after
- Stop every spot: some still form, but they wipe off with a cloth
- Remove chlorine, iron or sulfur: those need a filter in front of it
- Suit water over 30 grains per gallon: a softener does that job better
Our advice: use on water under 30 grains per gallon
Our advice: 30Maker: 75
0 grains75
After decades of treating hard water, we advise: salt-free conditioners work best below 30 grains. Above that, go with a softener.
Not sure? Call (844) 737-2999Salt-free water conditioner or salt-based water softener?
| Feature |
GreenWave
|
 Typical Salt Softener
|
|---|---|---|
| Salt | None, ever | 40-lb bags to buy and haul |
| Electricity | None needed | Needs an outlet, runs year-round |
| Drain line | None | Must connect to a drain |
| Water wasted | 0 gallons | Thousands of gallons a year flushed to regenerate |
| Healthy minerals | Keeps calcium and magnesium | Strips them out, adds sodium |
| Scale on pipes, fixtures and water heater | Stops it from sticking and loosens existing buildup | Prevents it |
| Spots on glass and fixtures | Wipe away with a cloth | Rarely appear |
| Install | Plug and play, with DIY videos | Drain, power and brine tank hookups |
| Maintenance | Nothing to refill or program | Monthly salt, resin cleaner, valve service |
| Long-term running cost | Just an occasional rebed kit (no salt, no extra water, no power) | Adds up every month (salt + regeneration water + electricity) |
| Lifetime value | Keep the same tank for life. Just add a rebed kit when the media is spent (unlike some salt-free brands that make you replace the whole tank every few years) | Salt, water and power every year, plus resin and valve service |
| Brine discharge | None | Restricted or banned in some areas |
| Warranty | Lifetime warranty on tank and valve | Often 1 to 10 years |
Whole-house salt-free conditioner specs at a glance
| Feature | What It Means for You | Spec |
|---|---|---|
| No utilities needed | No outlet, no drain line, no brine tank | No salt, power, drain or backwash |
| Sized to your home's flow | Pick the size that matches your peak water use | 10, 15 or 20 gallons per minute (GPM) (GW-100, GW-150, GW-200) |
| Simple plumbing | Standard connections and a bypass for service | 1" MNPT in and out, bypass valve included |
| Compact tank footprint | Fits a utility room or heated garage | 10" x 35", 10" x 40" or 9" x 48" |
| Built to last | Tank and valve covered for as long as you own the home | Lifetime limited warranty on tank and valve (original owner, original home) |
| Disclosed media volume | You know exactly what is doing the work | 3, 5 or 7 liters of TAC media |
| Works across normal pressures | A pressure-reducing valve keeps high-pressure homes in range | 15-100 psi (PRV if over 80 psi) |
| Water chemistry it needs | Well water may need pre-treatment first | pH 6.5-8.5; iron under 0.3, manganese under 0.05, copper under 1.3 mg/L |
| Chlorine-free feed water | City water needs a carbon stage ahead of GreenWave | Chlorine must be removed before GreenWave |
| Placement | Protects every fixture after it | Last whole-house stage, indoors, freeze-protected |
Independently certified safe, and made in the USA
- Safe for the water you drink
- The nextScaleStop™ media is tested and certified by the Water Quality Association to NSF/ANSI Standard 61, the health-safety standard for parts that touch drinking water.
- Lead-free, certified
- Certified to NSF/ANSI/CAN 61, which includes the NSF/ANSI/CAN 372 lead-free requirements.
- Clean on heavy metals
- Meets California Proposition 65 criteria for heavy metals.
- Every part certified
- Tank, media and in/out head are all NSF and WQA certified.
- Built in America
- 100% made in the USA.
- Covered for as long as you own it
- Lifetime warranty on the tank and valve.
Every bit of the tank does real work
Some salt-free systems pad their media with inert plastic balls. Those treat nothing, and all they may add is micro-plastics. GreenWave holds only working media, and we publish how much: 3, 5 or 7 liters, depending on size.
The evidence: A 2014 Arizona State University study for the WateReuse Research Foundation found the same family of TAC media formed more than 88% less scale than untreated water under heated lab conditions.
“I recently moved to an area of California where water softeners are banned... this system performs better than I was expecting.”Christian S. · every GreenWave review on our site is 5 stars
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“This is the best improvement I have done to this property in 30 years of living here.”
Carl G., verified buyer (installed after sediment, 5-micron and carbon filter stages) -
“Excellent customer service in determining filtering requirements based on well water report.”
Rob K. (incentivized review) -
“Very knowledgeable, answered my many questions”
Steve (unverified reviewer)
Questions people ask before they buy
Will this give me soft water?
No. GreenWave is a salt-free water conditioner, not a softener, so the hardness minerals stay in your water and a hardness test reads the same before and after. You will not get the slippery feel, and spots will still form, though they wipe off much easier. If soft water is what you want, a salt-based softener is the right choice and our specialists will say so.
My water is harder than 30 grains. Will GreenWave still work?
The media maker rates nextScaleStop™ up to 75 grains per gallon, but we don't make blanket claims. GreenWave works best below 30 grains per gallon (about 513 ppm). Above that, a salt softener is usually the safer choice, so call a certified water specialist at (844) 737-2999 and we will tell you straight.
I'm on city water. What else do I need to buy?
You need a carbon pre-filter ahead of GreenWave, because chlorine in city water fouls the media and can void the media warranty. That adds to your total cost, so plan for it from the start. A whole-house filter add-on is available on this page, and a specialist can confirm what your water needs.
I'm on a well. Will this work for me?
Wells often carry iron, manganese, sulfur or sediment, and those can foul the media if they reach GreenWave untreated. If you are on a well, call one of our certified water specialists before you order, so they can look at what is in your water and tell you what, if anything, should go in front of GreenWave.
Can I install it myself?
If you are comfortable with basic plumbing, yes. GreenWave connects with 1" fittings and includes a bypass valve. You pour the media into the tank on site, let it soak 30 minutes, then flush it before use. GreenWave must be the last whole-house stage, indoors and protected from freezing.
How long does the media last?
Media life depends on your water and how much you use, so we do not promise a fixed number of years. The crystal-forming reaction doesn't consume the media, and there is no salt to refill. The sign the media is spent is scale coming back; when that happens, you buy a rebed kit and keep the tank. Draining the water heater after install and at one year helps clear old scale.
Protect your plumbing from scale. Skip the salt for good.
Cut scale on your fixtures and in your water heater with no salt, no brine and nothing to plug in.
Not sure it fits? Call (844) 737-2999Lifetime warranty on tank and valve · Made in the USA
Overall rating: 5.0 / 5 from 6 reviews.
AI Generated Review Summary
Summary topics
Review topics: [results, system, water, looks, connect, spot, line, salt].
Review highlights
Reviews
In the photo you can
"In the photo you can see the 100 micron Sediment trap, Then the 5 micron filter and next to that a carbon filter. Then the GreenWave. This is the best improvement I have done to this property in 30 years of living here. The entire system has been installed about 4 months and it is operating perfectly. . I am well pleased with US Water Systems."
Love it
"Love it"
Building Pump House
"Excellent customer service in determining filtering requirements based on well water report. Still building pump house and will submit a full review once installed and filtering."
Pre-sales questions answered timely and expertly
"Just got off the phone talking with their sales manager about buying a TAC system or possibly an RO system. Very knowledgeable, answered my many questions and if I decide to go ahead with this technology they are the company I am going with. Thanks again."
Great product and Initially Great Results
"Ordered the salt-free system with the carbon pre-filter, been in operation for a week and hard water already clearing up on surfaces and in pipes. System is looking great!"
Better than I expected
"I didn't really know what to expect from this system, I recently moved to an area of California where water softeners are banned. I've had a water softener at every house I've owned prior to this move, so I have to say this system performs better than I was expecting."
Q&A
- How much media do you use? I just read on your description that "most companies do not tell you how much Anti-Scale Media is inside their tanks. However, if you check, you will find out that it is generally about half of what we use" but then, as far as I can tell, you also do not tell us how much Anti-Scale Media you do in fact use! :)
- Great question — the amount of media varies by the size of the system, so there is not one single number that applies to every GreenWave model. The best thing to do is call and speak with one of our Water Specialists, and we can tell you exactly how much media is in the specific size you are looking at.
- I have hard water from a private well: 135 ppm. Is the green wave salt free alternative a good option to reduce scale build up? Can you drink the water treated with a green wave system?
- GreenWave can be a good option if your goal is to help reduce scale buildup from moderately hard water like 135 ppm. It is a salt-free conditioner, so it does not remove hardness minerals like a traditional water softener. Instead, it changes the way those minerals behave so they are less likely to stick to plumbing fixtures, water heaters, and other surfaces as scale. Yes, the treated water is safe to drink. Because it is salt-free, it does not add sodium to the water. If your main goal is true soft water and complete hardness removal, a conventional softener would be the better option. Also, on private well water, any iron, manganese, sulfur, or similar contaminants should be treated ahead of the GreenWave so the media does not become fouled
- How many gallons on average does the system filter? Do not say 4-6 years, we need to know the average lifespan in gallons.
- The GreenWave isn’t actually a filter and it isn’t rated in gallons the same way a carbon or sediment cartridge is. It uses a special TAC (Template Assisted Crystallization) media that changes the form of hardness minerals so they don’t stick to pipes and fixtures, but it does not remove them from the water. Because of that: It does not filter out chlorine, tastes/odors, sediment, or other contaminants. It does not lower TDS or soften the water in the traditional sense – the minerals are still there, just conditioned so they don’t form hard scale. Any “lifespan” in gallons is an estimate of how long the media will effectively condition the water for scale control, not how many gallons it “filters.” That said, in typical municipal water conditions that are within the GreenWave’s limits for chlorine, iron, manganese, copper, and pH, systems using this type of TAC/Next ScaleStop media generally treat on the order of 500,000–600,000 gallons of water before the media needs to be replaced.
- The only problem I have with my well water is the high magnesium and calcium content, that are off the char ! Would this fix my problem? And how long does it keep the minerals suspended in the water? And would it protect my new water heater ?
- We recommend contacting one of our trained water specialist @ 800-608-8792 to share your test results and discuss your best options.
- After the 4 to 6 years of use is their an indicator that advises the media is spent? Can the unit be reloaded with new media, or does the entire unit need replacing?
- The GreenWave system does not feature an automatic indicator to signal when the media is exhausted. However, there are observable signs that suggest it's time to replace the media: Reduced Scale Prevention: If you notice an increase in scale buildup on fixtures or appliances, it may indicate that the media is no longer effectively conditioning the water. Changes in Water Quality: A noticeable change in water taste or clarity could suggest the media's effectiveness has diminished. You do not need to replace the entire GreenWave unit when the media is spent. US Water Systems offers rebed kits specifically designed for this purpose. These kits include the necessary amount of Filtersorb SP3 media, a funnel, distributor tube cap, and silicone lubricant.
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