It’s not just filtration, it’s transformation—whole-home softer water and scale protection for Key West, without salt tanks, chemicals, or cartridges to replace.
Advanced Technology Inside
Proprietary reverse-ionization technology physically decomposes hard water minerals down to a molecular level while exchanging their ionic charge, using a controlled electromagnetic field to restructure water into a balanced, healthier state—without salt, chemicals, or filters. Great for Key West’s coastal conditions and moderately hard water.
Creates a controlled turbulence zone for maximum contact and efficiency.
Breaks down hardness physically through catalytic media decomposition, without chemicals—ideal for moderate Key West hardness.
Creates ionization and enhances the transfer and efficiency of all ions.
Stabilizes and conditions the water before it exits the system.
Technical Specifications
Premium 304 stainless steel, no external power supply, no chemicals, and no wastewater—great for coastal Key West conditions. The internal alloy keeps releasing electrons for up to ten years with no disassembly and no routine maintenance in that time.
86%
Scale inhibition rate
17.6 GPM
Flow rate
10 yr
Alloy service life
0 W
External power needed
Fits most standard pipes, plumbed in where the water enters your Key West home.
Treats water mains up to three kilometres in length.
Designed for Key West’s moderate water hardness range.
Stainless steel built for the long haul—great for Key West salt air and coastal conditions.
No outlet, no controller—nothing to reset after an outage in Key West.
Nothing is discharged to a drain, and healthy minerals stay in your Monroe County water.
Limited-Time Offer
$895
Installed
Regularly

Stainless conditioning unit, fittings, mounting hardware & all parts.

Plumbed into your main line and professionally commissioned in Key West.

We test your Key West water so you know what you’re starting from.

No surprises—one low price includes everything for your Key West home.

No salt to buy, no filters to replace, and no electricity to run—great for Keys living.

Treated at the source, for the whole Key West home.
How It Works
Key West’s moderately hard water comes in with calcium and magnesium—and leaves conditioned, scale-free, and more corrosion-resistant for our salty, coastal air.
Decomposition and charge exchange—not ion swapping
The alloy inside the device changes the structure of the metal ions passing through it, leaving calcium and magnesium ions unable to crystallize. Preventing those ions from combining with acid radical ions is what produces the scale inhibition effect. An internal diversion device pressurizes the water flow and brings it into full contact with the alloy, so the alloy releases free electrons efficiently.
Key West’s moderately hard water enters the system carrying calcium, magnesium, and other minerals.
A catalytic core physically decomposes minerals, breaking them down into microscopic particles and ions.
Ionic charge is exchanged and minerals are reorganized with water molecules at the microscopic level.
Water exits clean, conditioned, scale-free, and ready for coastal Key West conditions.
It works on the scale you already have
The system prevents and reduces new scale, and it also softens and removes scale already built up inside your plumbing—common with moderate hard water in Key West.
Mineral Decomposition & Ion Exchange
The minerals aren’t stripped out and swapped for sodium. They’re decomposed, recharged, and reorganized—so your Key West water leaves balanced rather than stripped.
Why It’s Different
Most water softeners need a brine tank, a drain line, and a power supply—and most filters need replacing. This system needs none of it, which helps keep costs down for Key West homeowners.
| What it takes to run | Conventional Softener | Reverse Ionization This System |
|---|---|---|
| Salt | Bags of brine to buy, carry, and refill | No salt, no backwash, no mess |
| Chemicals | Additives and by-products to manage | No additives and no by-products |
| Electricity | An outlet and a controller to reset | Works 24/7 automatically, unpowered—ready for Key West life |
| Filters | Cartridges on a replacement schedule | Nothing to replace |
| Upkeep | Regeneration cycles and routine service | High performance with no routine upkeep |
| Running cost | Salt, power and consumables every year | Lower utility and repair costs |
| Build | Tanks, valves and moving parts | Premium 304 stainless steel—ideal for salt-air environments |
Swipe the table sideways to compare both columns.
Installed for $895 - regularly $1,500.
One stainless unit, plumbed in at the main line, conditioning every tap in your Key West home with an 86% scale inhibition rate and a 17.6 GPM flow rate. It suits city or well water in homes with hardness below 300 ppm. Not sure where your Keys water falls? We’ll test it as part of the visit.
Key Benefits
Scale quietly costs you money—pressure, appliance life, and repair bills. In the Florida Keys, moderate hardness plus coastal conditions can make buildup and wear add up fast.
Results vary with source water and household usage. We test your water during the visit—especially helpful after storms in the Florida Keys.
Ideal For
Installed on the main line, it treats everything downstream—your plumbing, water-using appliances, and outdoor lines—helpful in Key West where coastal conditions can be tough on fixtures.
Cleaner Water. Better Living. Key West.
Installed by a Florida plumbing company serving Monroe County that stands behind the work.
A premium 304 stainless body—built to stand up to Key West’s salty coastal air—with an internal alloy rated for up to ten years of service.
No salt, no power, no filters, and no regeneration cycle—very little to think about in your Key West routine.
In Key West, we stand behind our products and the quality of our service.
Join Key West homeowners across the Florida Keys who choose Mr. Pure Water.
Cleaner Water for Key West Living.
Conditioned water is gentler to wash in, leaving skin and hair feeling softer—welcome relief in Key West’s warm, humid climate.
Helps eliminate spotting and buildup that fogs shower glass and rings fixtures in Key West.
Soap and detergent work better, so you use less and rinse cleaner—great for Key West homes.
The Mr. Pure Water Whole-House Reverse-Ionization System treats your water at the main line—ideal for Key West homes—and it does it without salt, chemicals, filters, or a power supply. Hard water enters carrying calcium, magnesium, iron and heavy metals. Inside the premium 304 stainless body, a turbulent flow chamber brings the water into full contact with a catalytic core that physically decomposes those minerals into microscopic particles and ions. A controlled electromagnetic field then exchanges their ionic charge and reverses their polarization, reorganizing the minerals with the water molecules so they can no longer crystallize or combine with acid radical ions—which is what produces the 86% scale inhibition effect. A polished flow chamber stabilizes the water before it exits, and it exits clean, soft, scale-free and corrosion-resistant with its healthy minerals intact—helpful in our coastal, salt-air conditions. The internal alloy keeps releasing free electrons for up to ten years with no disassembly and no routine maintenance, at a 17.6 GPM flow rate, with no wastewater and nothing discharged to a drain.
Limited-Time Offer
$895
Installed
Regularly