Full disclosure before anything else: we are one of the companies on this page. Kind Water Co is family-owned, based in Marion, and we install water softeners across the Cedar Rapids metro. We wrote this because nobody local publishes a straight comparison, and because a page that only says "pick us" is worth nothing to you. Here is the actual field, the facts we could verify, and the questions that should decide it.
| Company | What they sell | Price published? |
|---|---|---|
| Culligan of Marion | Culligan Aquasential® softeners, reverse osmosis, whole-home filtration, bottled water and salt delivery. Serves Cedar Rapids, Hiawatha, Marion and Linn County. Rent, buy or finance. 319-377-6441 | Monthly figures only — "as low as $26/month" and "$35/month," plus a $9.95/month intro rental for the first three months. No installed purchase price |
| Waterhouse Water Systems | Kinetico dealer serving Cedar Rapids and Eastern Iowa — non-electric, twin-tank Kinetico softeners with installation and service | No — Kinetico pricing comes from a dealer quote |
| The Water Shop | Independent dealer of Kinetico and Hellenbrand products; describes itself as able to service all brands of water treatment systems | No |
| Eastern Iowa Soft Water | Locally owned distributor of water conditioning systems and filtration equipment | No |
| Kind Water Co (us) | Softeners, whole-home filtration, reverse osmosis, well systems, UV. Family-owned, Marion, founded 2021. Installed by licensed local plumbing professionals we vet, schedule and stand behind | Yes — every price, below |
Company details were read from each company's public website and listings in August 2026. All are independent businesses unaffiliated with Kind Water Co. This is not a ranking — we are not in a position to rank our own competitors, and any local company that told you it could would be selling you something.
Cedar Rapids lime-softens its water. The utility adds slaked lime specifically to reduce hardness minerals before distribution, and the city's own FAQ describes the finished water as moderately hard at 6–9 grains per gallon (100–150 mg/L). Raw water around 15.8 grains leaves the plant at roughly 6.5–7.
That matters because a Cedar Rapids household is a genuinely different sale from a Marion one, where The Gazette reported 18–20 grains unsoftened. Anyone pitching you in Cedar Rapids on "Iowa has the hardest water in the country" is quoting a regional generality over your own utility's published number. Compare across the metro on our Linn County water page or hardness by city.
One more Cedar Rapids specific: CR-supplied water is chloraminated. Ordinary activated carbon reduces chloramine but not thoroughly — genuine chloramine removal takes a full catalytic carbon tank. That is why our catalytic upgrade exists as a city option (+$150 on a standard build) and why we mention it rather than quietly selling a filter that underperforms on this specific water.
All-in: equipment, installation by a licensed plumbing professional, taxes, lifetime parts warranty.
| System | Installed price |
|---|---|
| Softener + whole-home filtration + reverse osmosis | $2,850 |
| Softener + whole-home filtration, no RO | $2,500 |
| Softener only, no carbon filtration | $1,900 |
| Catalytic carbon upgrade (Cedar Rapids chloramine) | +$150 standard · +$225 XL |
| XL for larger homes, with RO | $3,150 (no RO: $2,800) |
| Dual-tank city upgrade | +$700 |
| Well dual-tank + tank RO | $3,800 (no RO: $3,450) |
| Salt-free conditioner (city only) | $3,050 |
| Reverse osmosis alone | $800 tank · $900 tankless |
| Annual service | $199/yr tank RO home · $249/yr tankless |
0% financing; $100 off for military and first responders. Iron and sulfur systems are quoted after a free water test. See the full cost breakdown.
Seriously. Call Culligan, call a Kinetico dealer, call us, and compare the four numbers that matter: total installed cost, warranty terms, year-six service cost, and who owns the equipment. We are comfortable being compared — that is the entire reason our prices are on this page.
Free in-home test, real numbers, written price the same visit, no expiring discount. Call or text 319-319-6566, email ryan@kindwaterco.com, or get an instant quote. Serving Cedar Rapids, Marion, Hiawatha, Robins and the rest of Linn County.
The main options are Culligan of Marion (319-377-6441), Kinetico through dealers including Waterhouse Water Systems and The Water Shop, locally owned Eastern Iowa Soft Water, and Kind Water Co — us, family-owned in Marion. Of those, we are the only one publishing installed prices on our website.
Moderately hard. Cedar Rapids lime-softens its supply, and the city's own FAQ describes the finished water as 6–9 grains per gallon (100–150 mg/L), down from roughly 15.8 grains raw. That is very different from Marion at 18–20 grains unsoftened — so the right equipment differs by town, not by state.
Ours are $2,500 for a softener with whole-home filtration, $2,850 with reverse osmosis added, and $1,900 for softener only — all-in with licensed installation, taxes and a lifetime parts warranty. Other local companies quote in-home rather than publishing, so get their total installed figure in writing to compare.
Ask five things: total installed price in dollars; who installs it and are they licensed; what the warranty covers and for how long; what a service call and filters cost in year six; and whether they measured your water in grains per gallon rather than performing a demonstration. Get all of it in writing.
Possibly. Cedar Rapids-supplied water is chloraminated, and ordinary activated carbon reduces chloramine but not thoroughly — genuine removal takes a full catalytic carbon tank. Our catalytic upgrade is +$150 on a standard system. Marion and Hiawatha run plain chlorine, where standard activated carbon is fine.
Whole-home water softening, filtration, and reverse-osmosis drinking water — professionally installed and built to last a lifetime.
Serving Marion, Cedar Rapids & surrounding Linn County communities
Kind Water Co is a d/b/a of Zero Cap Investments LLC · 2258 Bison St, Apt B, Marion, IA 52302
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