Advanced ion-exchange technology removes the calcium and magnesium that cause scale, spots, and dry skin—so homes across North Key Largo get soft, conditioned water at every tap.
The System Itself
A high-capacity resin tank and built-in brine cabinet, installed where water enters your home. The electronic valve tracks your actual use and regenerates on demand—so you’re not wasting salt, even with North Key Largo’s year-round, humid climate.
Key Features
Sized for a family home in North Key Largo and engineered to stay out of your way: high grain capacity, a valve that regenerates on demand rather than on a clock, and a high-flow design that helps keep pressure steady.
42,000
Grain capacity, up to
1-6
Person households
10 yr
Tank warranty
5 yr
Electronics warranty
Regenerates on the water you actually used, not on a fixed schedule.
Tracks household usage and adjusts itself to match your pattern—ideal for busy Keys homes.
Calcium and magnesium—the two minerals behind scale and spotting in moderate hard water.
Keeps pressure strong—showers and laundry can run together.
Tells you when to top up—before you notice any change at home.
Reliable, low-draw operation—easy to keep running in the Keys.
Whole-Home Water Softener for Key Largo
$1,495
Installed
Regularly

Resin tank, brine cabinet, electronic control valve & all parts.

Plumbed into your main line and commissioned by professionals—built for coastal Keys conditions.

We test your water and program the valve to your household before we leave—right here in North Key Largo.

No surprises. One low price includes everything.

Backed by a 10-year tank and 5-year electronics warranty.

Treated at the source, so your whole Key Largo home runs soft.
How It Works
Hard water from the main supply enters the system and leaves as soft, conditioned water. The softener removes the hardness minerals—calcium and magnesium—that cause scale, spots and dry skin, giving you soft, luxurious water throughout your North Key Largo home.
Why moderate hardness is the problem
Calcium and magnesium are dissolved rock. They do not filter out the way sediment does—they come out of solution as scale on anything warm or wet: the inside of your water heater, the shower glass, the dishwasher element, the faucet aerators. In the Florida Keys, that buildup can be a headache. Ion exchange is the only method that actually takes them out of the water rather than just changing how they behave.
Sits on top of the tank, monitors usage and regenerates automatically when the resin needs it.
Ion-exchange resin attracts and removes hardness minerals as water flows through the bed.
Holds salt for automatic regeneration, so the resin is recharged and you always have soft water.
Regenerates on demand, not on a clock
Timer-based softeners regenerate whether you needed it or not—wasting salt and water on a quiet week, and running out mid-cycle on a busy one. This valve meters what the house actually uses and recharges the resin at the right moment, a smart fit for North Key Largo households.
See & Feel the Florida Keys Difference
Softening is one of the few upgrades you notice without looking for it. The shower feels different, glassware comes out clear, and the ring around the faucets stops coming back—especially helpful with North Key Largo’s moderate hard water.
| Around your North Key Largo home | Before - Hard Water | With a Softener After - Soft Water |
|---|---|---|
| Pipes, heater & fixtures | Hard water scale and buildup | No more scale or spots in Key Largo |
| Dishes & faucets | Spots on dishes and faucets | Shiny, like-new fixtures in North Key Largo |
| Skin & hair | Rough, dry skin and hair | Softer skin and silkier hair |
| Laundry | Stiff, scratchy laundry | Softer, fluffier laundry |
Swipe the table sideways to compare both columns.
Installed for $1,495 - regularly $3,000.
One system, plumbed in at the main line, treating every tap in the house—ideal for North Key Largo living. It is backed by a 10-year tank warranty and a 5-year electronics warranty, and it suits city or well water in homes of one to six people. If you are not sure how hard your water actually is, we will test it as part of the visit.
Why North Key Largo Homeowners Choose Us
Installed by a Florida plumbing company that knows Monroe County conditions—and stands behind the work.
Components engineered for reliable, long-term performance in coastal humidity.
Top up the salt when the indicator asks—the valve handles the rest.
We stand behind our products and the service we provide in North Key Largo.
Join homeowners across Monroe County who choose Mr. Pure Water.
Ideal For
Warranty
Hardness minerals are removed, so water feels smoother right away.
Helps maintain natural moisture—great for North Key Largo’s warm, humid climate.
Soap and shampoo lather properly in soft water, so you use noticeably less of both.
The Mr. Pure Water Whole-House Water Softener uses advanced ion-exchange technology to take the calcium and magnesium out of your water before it reaches a single fixture. A high-capacity resin tank - up to 42,000 grains - does the work, while an electronic control valve meters how much water the household actually uses and regenerates on demand rather than on a timer. The built-in brine cabinet keeps the resin recharged, and a low-salt indicator tells you when to top it up. The result is soft, conditioned water at every tap across North Key Largo: no scale in the water heater, no spots on the glassware, no film on the shower door, and noticeably less soap and detergent to get the same clean.
Whole-House Water Softener
$1,495
Installed
Regularly