Frequently Asked Questions About Water Treatment
Honest answers about water softeners, drinking water systems, and our service in Columbus.
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Water Softeners
A water softener removes calcium and magnesium minerals from your water through a process called ion exchange. Hard water passes through a tank filled with resin beads that carry a sodium charge. The calcium and magnesium ions in the water are attracted to the resin and swap places with the sodium ions, leaving your water soft. When the resin becomes saturated with calcium and magnesium, the softener flushes it with a salt brine solution to recharge the resin, then resumes softening. The result is water that does not leave scale on your pipes, fixtures, or appliances.
Columbus city water typically tests between 15 and 22 grains per gallon (gpg) of hardness, placing it among the hardest in Ohio. Water hardness above 7 gpg is generally considered hard, and anything above 14 gpg is considered very hard. At Columbus levels, you can expect significant scale buildup on fixtures and in your water heater over time, spotted dishes and glassware, increased soap and detergent usage, and shortened appliance lifespans. Private wells in Central Ohio often test even harder, sometimes exceeding 25 gpg. We measure your specific water during the free analysis so you know exactly what you are dealing with.
No. Water softeners add a very small amount of sodium to your water during the ion exchange process, but the amount is negligible for most people. The actual sodium content depends on your water's hardness level: for every grain per gallon of hardness removed, roughly 7.5 milligrams of sodium are added per 8-ounce glass. For Columbus water at 18 gpg, that amounts to about 135 milligrams per glass, comparable to a slice of white bread. Most people cannot taste any difference. If you are on a sodium-restricted diet, you can use potassium chloride instead of salt, or add a reverse osmosis drinking water system which removes virtually all sodium and minerals from your drinking water.
The cost varies based on the model you need and your home's size and water usage. Kinetico offers several series from the Essential through the Signature Series, and the right system depends on your household water use, hardness level, and whether you have other water quality issues like iron. Rather than give you a number that may not apply to your situation, we offer a free quote after the water analysis. Our pricing is straightforward and includes professional installation. We also offer financing options if you prefer to spread the cost over time. Call us at (614) 555-0100 or schedule a free water analysis to get an accurate quote for your home.
Kinetico systems use demand-initiated regeneration, meaning they only regenerate based on actual water use rather than on a fixed timer. This approach typically uses up to 75% less salt and water than timer-based softeners. A traditional electric softener might use 50 or more pounds of salt per month regardless of whether your household actually needed it. A Kinetico system serving a typical Columbus-area household generally uses significantly less, with many families refilling their salt tank only once every few months. Your exact usage will depend on your household size, water consumption, and hardness level.
Kinetico water softeners are built to last 20 to 30 years, and many in service today are considerably older than that. The non-electric design is a major factor: without circuit boards, timers, or solenoid valves, there is simply less that can fail. Most common water softener brands with electric controls last 10 to 15 years before requiring significant repairs or replacement. The longevity of a Kinetico system is one of the primary reasons customers choose it despite the higher upfront cost. When you factor in decades of performance and reduced repair calls, the cost per year is often lower than cheaper alternatives.
The main ongoing task is keeping the salt tank filled. How often depends on your water use and system, but most households refill the salt every one to three months. We recommend using high-quality pellet salt or solar salt rather than rock salt, which can leave residue. Beyond salt, we suggest an annual service check to inspect seals, brine draw, and overall system performance. Cardinal Water Solutions offers service plans that include annual check-ups, or we can schedule a service call if you notice a change in your water quality. If you have a Kinetico system, the mechanical simplicity means there is typically very little to go wrong between service visits.
Yes. Kinetico water softeners work with both sodium chloride (regular salt) and potassium chloride. Potassium chloride is a good option for households where someone is watching sodium intake. It works the same way as salt in the ion exchange process, though it typically costs more per bag than sodium chloride. Some homeowners also prefer it for environmental reasons, as potassium is a plant nutrient rather than sodium. There are no modifications needed to switch. If you have questions about which product works best for your system, we are happy to advise.
Yes, and in a very positive way. Hard water causes calcium and magnesium to precipitate out as scale inside your water heater tank and on heating elements. Scale acts as insulation, forcing the heater to use more energy to heat the same amount of water. The U.S. Department of Energy estimates that hard water scale can reduce water heater efficiency by 25 to 30 percent. Once you install a water softener, scale stops forming. Existing scale inside the tank will gradually dissolve over time as soft water circulates through. Customers regularly report lower gas or electric bills after softener installation, and water heaters last significantly longer without the stress of scale buildup.
With a Kinetico twin-tank system, nothing changes during regeneration. That is one of the core advantages of the twin-tank design. While one tank is regenerating, the second tank automatically continues to supply soft water to your home. You will never experience a period of hard water, regardless of when regeneration occurs. Single-tank softeners, by contrast, deliver unsoftened water while they regenerate. If those systems are set on a timer, regeneration often happens during off-peak hours overnight, but if your family uses more water than expected, you may hit regeneration at an inconvenient time and receive hard water for several hours. Kinetico eliminates that problem entirely.
Drinking Water
Reverse osmosis (RO) is a water filtration process that forces water through a semi-permeable membrane under pressure. The membrane has pores small enough to block most dissolved contaminants, including lead, arsenic, nitrates, fluoride, chlorine, pharmaceuticals, and many other substances. The water that passes through the membrane is collected in a holding tank, while the concentrated contaminants are flushed down the drain. A complete RO system like the Kinetico K5 includes pre-filters to protect the membrane, the RO membrane itself, and post-filters that polish the water before it reaches your faucet. The result is some of the cleanest water available from a residential system.
The differences are substantial. A pitcher filter like Brita uses activated carbon to reduce chlorine taste and some sediment. It does not remove lead, arsenic, nitrates, PFAS, pharmaceuticals, or dissolved contaminants at any meaningful level. The Kinetico K5 is a multi-stage under-sink reverse osmosis system with more NSF certifications than any other drinking water system on the market. It produces high volumes of filtered water on demand, stores it in a pressurized tank so you always have clean water ready, and connects to a dedicated faucet. A pitcher filter requires manual filling, filters small amounts at a time, and provides minimal protection against serious contaminants. The K5 is in a different category entirely.
The K5 is NSF certified to remove or reduce an extensive list of contaminants including lead, arsenic, barium, cadmium, chromium, copper, nitrates, fluoride, chlorine, chloramines, turbidity, and cysts. With the optional PFAS-certified filter module, it also addresses per- and polyfluoroalkyl substances (PFAS), which are receiving increasing attention as a public health concern. Additional optional filter modules address pharmaceuticals, VOCs, and specific contaminants. The K5's modular design means you can configure it to address your specific water quality concerns. Because we test your water first, we can recommend the right combination of filter modules for what is actually in your water.
Most K5 pre-filters and post-filters should be changed annually. The reverse osmosis membrane typically lasts two to five years, depending on your water quality and usage. The K5 uses Kinetico's MACguard filter technology, which makes it easy to change filters without tools or the need to shut off the water supply. The MACguard filter pops out and snaps back in. Cardinal Water Solutions offers annual filter replacement service, or we can walk you through the process so you can handle it yourself. The most important thing is not to skip filter changes, as an overdue filter can allow contaminants to pass through more easily.
Yes, and it is the combination we recommend for most Columbus homeowners. The water softener handles whole-house hardness removal, which protects your plumbing and appliances. The K5 then provides an additional level of purification for your drinking and cooking water. Soft water is also easier on the K5's RO membrane, because hard water accelerates mineral scaling on the membrane surface. Running soft water through the K5 can extend the membrane's life and maintain better flow rates over time. The two systems work together well and together address both hardness and drinking water purity.
No. The K5 is a removal-only system. It does not add minerals, alkalizers, or anything else to the water. Some RO system manufacturers offer remineralization filters that add minerals back after filtration, but the K5 does not include that by default. The water that comes out of the K5 is simply very clean water with the dissolved substances removed. If you are concerned about mineral intake, be aware that the primary sources of dietary minerals are food, not drinking water. Most nutritionists consider water a minor contributor to mineral intake compared to a balanced diet.
Yes, and many customers report this is one of the first things they notice. Coffee taste is heavily influenced by the water it is brewed with. Chlorine, chloramines, and other dissolved substances can produce off-notes that no amount of premium coffee can overcome. Ice made with K5 water comes out clear rather than cloudy, which is a result of fewer dissolved minerals and gases. Several customers have also noted improvement in the taste of soups, pasta, and other foods where water is an ingredient. If you currently buy bottled water for cooking or use a pitcher filter, the K5 is a significant upgrade in both convenience and filtration quality.
Yes, but well water often requires pre-treatment before it reaches the K5. High levels of iron, sediment, hydrogen sulfide, or biological contamination can damage the K5's membrane and reduce its effectiveness. For most well water situations, we recommend a whole-house treatment system, such as an iron filter, sediment filter, or water softener, upstream of the K5. During the free water analysis, we test your well water and recommend the right combination of treatment systems for your specific conditions. Trying to run untreated high-iron or high-sediment well water through an RO system alone will shorten the membrane life significantly and may not produce reliably safe water.
Kinetico Brand
Kinetico Incorporated is a water treatment company founded in 1970 in Newbury, Ohio. Kinetico is a subsidiary of Masco Corporation, a large home improvement and building products company. The important detail for homeowners is that Kinetico systems are designed and manufactured in Ohio. The company has been building the same core non-electric, twin-tank technology for over 50 years, and many of their original systems are still in operation today. Kinetico does not sell through retail chains. They distribute exclusively through authorized, independent dealers like Cardinal Water Solutions, which means you get a locally accountable business providing sales, installation, and service.
No. Kinetico products are only available through authorized independent dealers. You will not find Kinetico systems at Home Depot, Lowe's, Costco, Amazon, or any other retail channel. This is intentional: Kinetico systems require professional sizing, installation, and ongoing service. A system that is incorrectly sized for your home or water conditions will not perform properly. By selling only through authorized dealers, Kinetico ensures that every customer gets a properly specified system and a local company responsible for service and warranty support. Cardinal Water Solutions is the authorized Kinetico dealer for Columbus and Central Ohio.
Kinetico warranty coverage varies by product line. Several Kinetico water softeners, including the Signature Series, come with a limited lifetime warranty on the non-electric components, which is a longer warranty than virtually any competitor offers. Other product lines carry 5-year or 10-year warranties depending on the specific system. The K5 drinking water system includes a 1-year warranty on electronics and a 5-year warranty on non-electric components. We will go over the specific warranty for any system we recommend when we give you a quote. The most important thing to know is that warranty service is provided by us, your local dealer, not by calling an 800 number to reach a distant call center.
The three biggest differences are: non-electric operation, twin-tank design, and American manufacturing. Most water softeners use electric timers to control when they regenerate. Kinetico uses the kinetic energy of moving water to power the entire softening process, with no electricity required at all. This means no circuit boards to fail, no clocks to set, no downtime during power outages, and fundamentally fewer components that can break. The twin-tank design ensures you always have soft water, even during regeneration. And Kinetico systems are built in Ohio, not overseas. These are not marketing claims; they represent genuine engineering differences that translate to longer system life and lower long-term cost.
Kinetico was founded in 1970 in Newbury, Ohio. The company has been manufacturing water treatment products for over 50 years. In that time, Kinetico has become one of the most recognized names in residential water treatment, with systems installed in millions of homes across North America and around the world. The longevity of the company and the longevity of their actual systems in the field are both unusual in the home water treatment category, where many brands come and go or are sold repeatedly under different owners. Kinetico's core non-electric technology has not changed fundamentally since their first systems, which is a testament to how well the design works.
Yes. Kinetico maintains a comprehensive parts network, and replacement parts are available through authorized dealers like Cardinal Water Solutions. This matters because some water treatment brands discontinue parts for older systems, leaving customers unable to repair functioning equipment. Kinetico's commitment to the authorized dealer channel means parts availability is a priority. If your system needs a repair, we can typically source the necessary parts quickly. For consumables like K5 filter cartridges, we stock the most common ones and can order specialty filter modules. We recommend keeping a spare set of K5 pre-filters on hand so you are ready for the annual change without waiting on an order.
Our Service
Cardinal Water Solutions serves Columbus and the Central Ohio metro area. Our service territory includes Dublin, Westerville, Powell, New Albany, Gahanna, Hilliard, Grove City, Pickerington, Reynoldsburg, Upper Arlington, Worthington, Lewis Center, Delaware, Sunbury, Johnstown, Granville, Heath, Newark, Lancaster, and surrounding communities. If you are not sure whether we serve your area, call us at (614) 555-0100 or use the contact form and we will let you know. We have been serving Central Ohio from Columbus since 2004 and know the area's water well.
Yes, in most cases. We service most Kinetico systems regardless of where they were originally installed, including systems purchased from dealers in other areas or systems that came with a home purchase. For non-Kinetico brands, we evaluate on a case-by-case basis. Call us with the brand and model information and we can let you know whether service is something we can help with. If you have recently moved to Central Ohio and have a Kinetico system, we are the local dealer who can take over your service relationship. We can also transfer warranty coverage if applicable.
Call us at (614) 555-0100 or email us at Email Us to schedule a salt delivery. We can set up a recurring delivery schedule based on your estimated usage, or you can call us when your tank is running low. We carry high-quality softener salt appropriate for Kinetico systems. Salt delivery is available throughout our service territory. Many customers find it more convenient than hauling bags from a hardware store, especially for households with high water use or mobility limitations.
Call us at (614) 555-0100. For Cardinal customers, we typically schedule service within the same week, often sooner for urgent issues. We will diagnose the problem and give you a clear explanation of what is wrong and what it will cost to repair before we do any work. Kinetico's non-electric design means fewer service calls overall compared to electric softeners, but when something does need attention, we have the parts and training to address it properly. If your system is under warranty, we will handle the warranty claim on your behalf.
Yes. Our technicians are trained and certified by Kinetico. Kinetico's authorized dealer program includes product training requirements that technicians must complete before installing or servicing Kinetico systems. This means you are getting someone who knows these specific systems thoroughly, not a general plumber who has seen a Kinetico softener once or twice. We also maintain our certification through ongoing training as Kinetico introduces new products. When you schedule a service call or installation with Cardinal Water Solutions, the person who shows up knows what they are doing.
No. Our focus is water treatment: softeners, drinking water systems, specialty filters, and related equipment. We do not install or repair well pumps, pressure tanks (beyond the water treatment connection), or general household plumbing. If you need a plumber or well service, we are happy to recommend reputable companies in Central Ohio. However, the connection point between your plumbing and the water treatment system is where our work begins and ends. For new installations, we need a working water supply available before we arrive. If your well pump or main plumbing needs work, we coordinate with you to schedule installation after that work is complete.
Installation
Most water softener installations take between 2 and 4 hours. A K5 drinking water system alone typically takes 60 to 90 minutes. If you are having both a softener and a drinking water system installed on the same day, plan for 3 to 5 hours. Specialty systems or well water treatment setups with multiple components may take longer. We will give you a more specific time estimate when we schedule your installation. Our technicians work efficiently and come prepared with all the necessary fittings and materials for a standard installation.
For city water homes, the softener is installed near your water meter, on the main water line entering your home, before the water branches out to other areas of the house. This treats all the water coming into your home. For well water homes, the softener goes near the pressure tank. The exact location depends on your home's layout and plumbing configuration. During the free water analysis, the technician will look at your plumbing and identify the best installation point. We need access to the main water line, a nearby drain connection for regeneration discharge, and reasonable space for the softener unit and salt tank.
Yes. We require someone 18 or older to be present throughout the installation. We need access to your plumbing areas, we will be turning off your water supply during installation, and at the end we walk you through how your new system works and what to expect. We also want to make sure you are satisfied with the installation before we leave. We will work with you to schedule a day and time that fits your schedule. Most installations are completed within a single visit.
No. Our technicians work cleanly and remove all packaging and installation materials when they leave. We protect the work area during installation and clean up any minor water that may occur when connecting to the plumbing. If your installation area has carpeting nearby, we take steps to protect it. At the end of the appointment, the installation area should look the same as when we arrived, minus the new equipment now in place. If for any reason there is an issue during installation, we communicate with you immediately and address it before leaving.
Yes, briefly. We need to shut off the main water supply to make the plumbing connections for the softener or treatment system. The actual time with the water off is typically 30 to 60 minutes while we make the cuts, install the bypass valves and connections, and restore the supply. Before we begin, we will let you know when the water will go off so you can plan accordingly. Once the system is connected and tested, water service to your home is fully restored. We recommend planning around the shutdown window for things like running the dishwasher or doing laundry.
Billing & Financing
Yes. We offer financing options to help make Kinetico systems accessible without requiring full payment upfront. Financing allows you to start enjoying better water immediately while spreading the cost over time. Details on available terms and rates are on our financing page. We work with you to find an arrangement that fits your budget. Approval is straightforward for most customers, and we can walk you through the process during or after your water analysis appointment.
Yes, completely free with no obligation. A Cardinal Water Solutions water professional comes to your home, tests your water for hardness, iron, pH, chlorine, and other relevant factors, and explains what they find in plain language. There is no charge for the visit or the analysis. We will tell you what we recommend and give you a price, but you are under no obligation to buy anything. If you decide not to move forward, that is fine. We do this because we want you to understand your water, and because we believe that once you see what is actually in it, you will understand the value of treating it properly.
We accept cash, personal check, and all major credit cards including Visa, Mastercard, Discover, and American Express. For financed purchases, payment is handled through the financing partner. We collect payment at the time of installation after the work is complete and you are satisfied with the result. We do not require a deposit before installation for standard residential systems.
No. We do not require a service contract as a condition of purchase or installation. We offer optional service plans that include annual check-ups, priority scheduling, and discounts on salt delivery and repairs. Many customers find these plans convenient and cost-effective, but they are entirely optional. You can buy a system from us and manage your own maintenance, call us for service when needed, or enroll in a plan at any time. We believe in earning your ongoing business through good service, not locking you into a contract.
Still have questions?
Call us at (614) 555-0100 Monday through Friday, 8am to 5pm. Or schedule a free water analysis and ask us in person.