Serving the Texas Hill Country & San Antonio since 1989
WQA-Certified  ·  Texas Class 3 Licensed  ·  Open 24/7
Gaines Soft Water  ›  Treatment

Water treatment for Hill Country and San Antonio properties

Water treatment is not one product. It is a short sequence of decisions about hardness, taste, odor and anything the water is carrying. We test first, then recommend the smallest water treatment that actually solves what is wrong.

Well water treatment tanks and pressure vessels
By problem

Start from what is actually bothering you

Most people arrive knowing the symptom rather than the cause. These are the routes from one to the other.

Water softener installed in a San Antonio home

Hard Water Treatment

What 15 to 20+ grains per gallon is costing your plumbing, appliances and laundry.

Learn more →
Whole-house water filtration tanks and filter housings on a home water line

Whole-House Filtration

Carbon and sediment stages for chlorine, taste, odor and grit at every tap.

Learn more →
Under-sink reverse osmosis drinking water system

Reverse Osmosis

Under-sink RO for drinking and cooking water, removing the dissolved solids filtration leaves behind.

Learn more →
Salt free water conditioner compared with an ion exchange softener

Salt-Free Conditioners

What a salt-free system actually does, and the cases where we recommend one.

Learn more →
Whole-home water treatment systems installed in a Texas Hill Country property

Water Treatment Systems

How the stages combine into one system, and why the order matters.

Learn more →
Water filter housings and cartridges used in whole-house treatment systems

Water Testing & Analysis

Free on-site testing for hardness, iron, pH and more, before anything gets quoted.

Learn more →
On a private well

Treatment when nothing has been done upstream

A well arrives untreated. That changes both what is needed and the order it has to go in.

Well water treatment tanks and pressure vessels

Well Water Treatment

Iron, sulfur, sediment, bacteria and pH, the pre-treatment a well needs.

Learn more →
Water softener installed for a Fredericksburg home in Gillespie County

Well Water Filtration

Media, stages and sizing for iron, manganese, sulfur and sediment on a private well.

Learn more →
Well water treatment system for a Canyon Lake property

Hard Water on a Well

Why softening a well is different, and what has to happen before the softener.

Learn more →
Well water testing for a private well in the Texas Hill Country

Well Water Testing

Annual testing, bacteria panels and the checks worth running after a flood.

Learn more →
Gaines softwater well water treatment

Well System Service

Annual service, media replacement, UV lamps and emergency repair for well systems.

Learn more →
Commercial water treatment equipment installed for a San Antonio business

Commercial & Industrial

Capacity-sized treatment for restaurants, salons, car washes and manufacturing.

Learn more →
Order of operations

The sequence is the design

Sediment first, because grit damages everything behind it. Iron, manganese and sulfur next, because all three will foul softener resin and blind a reverse osmosis membrane. pH correction alongside those on acidic water. Then softening. Then carbon. Ultraviolet last, on a well, because a lamp cannot disinfect water it cannot see through. Reverse osmosis at the drinking tap, at the very end.

Almost every underperforming system we are called out to look at is decent equipment in the wrong order, or sized for a number nobody measured. Both are usually fixable without replacing everything, and we will say so when that is the case.

Whole-home water treatment systems installed in a Texas Hill Country property
How it works

Three visits, no surprises

Nobody should buy a water system from a brochure. Here is what actually happens.

Step one

Free on-site water test

We test what is coming out of your tap or your well, hardness in grains per gallon, iron, pH, odor, sediment, and look at your plumbing. About twenty minutes, no charge.

Step two

A system sized to the result

A written recommendation and a firm price based on your numbers and your household use. If a smaller unit does the job, we say so.

Step three

Installed, then serviced for good

Installation by a licensed technician, then filters, settings checks and 24/7 repair for as long as you own the system.

Why Gaines

Thirty-six years, one family, the same phone number

We are not a franchise and we are not a call centre. The person who tests your water works for the company that installs and services it.

Locally owned since 1989

Deep roots in San Antonio and the Hill Country, and customers who have been with us for decades.

WQA-licensed, Class 3 certified

Class 3 certified by the Texas Water Commission and licensed by the Water Quality Association.

Every major brand serviced

We install and service all major brands, even if the system was not purchased from us.

24/7 emergency repair

A leaking or failed system does not wait for business hours. Neither do we.

Any property type

From single-family homes to restaurants, salons and industrial facilities, sized to the load.

Free testing and estimates

On-site testing and a written estimate cost nothing, with no obligation attached.

Common questions

Treatment questions we get asked

Softening removes dissolved hardness minerals by ion exchange. Filtration removes particulate, chlorine, iron and odor compounds using media. Reverse osmosis pushes water through a membrane that rejects dissolved solids. They solve different problems and most homes use more than one.

It depends on the test. A house on the San Antonio city supply often needs softening and a carbon stage and nothing more. A well can need five or six stages. We build what the numbers justify.

Frequently, yes. A lot of what we see is decent equipment installed in the wrong sequence or sized for the wrong load, and re-plumbing or resizing is usually cheaper than replacing.

A free on-site test. Twenty minutes, at your property, covering hardness, iron, manganese, pH, sulfur, sediment and dissolved solids, with the results explained in writing.

Softening and filtration deal with comfort, appearance and equipment protection rather than safety. On a private well, safety is a separate question answered by a laboratory bacteria test, and by ultraviolet disinfection if it is warranted.

Properly sized, protected and serviced, softener resin runs ten years or more and media beds three to eight depending on type. Neglected or badly sequenced, the same equipment can be finished in two or three.

Choosing water treatment in the Hill Country, in short

Good water treatment starts with a test rather than a catalogue. The right answer for a San Antonio townhouse on city water is not the right answer for a Bandera property on a private well.

Hardness is the near-universal issue here. At 15 to 25 grains per gallon, softening is part of most water treatment plans in this region, and it is the change households notice first.

Taste and odor are separate problems. Chlorine on city supplies and hydrogen sulfide on wells both need filtration, because no amount of softening touches either of them.

Wells add a sequencing rule. Iron and sediment must come out before the softener, so water treatment on a well is a train of stages rather than a single appliance.

Drinking water is often handled separately. A reverse osmosis tap treats the water you drink and cook with, which is a cheaper and more targeted answer than trying to polish the whole house.

Budget shapes phasing, not quality. Plenty of households stage their water treatment, starting with the stage that fixes the daily annoyance and adding the rest later, and that is a perfectly sensible way to do it.

Maintenance should be part of the decision. Water treatment you cannot service is water treatment you will eventually switch off, so we favour equipment a homeowner can actually keep running.

We install and service every category of water treatment across San Antonio and the Hill Country, on any brand, including systems we did not supply.

What bothers youLikely causeWater treatment that fixes it
Scale and poor latherHardnessIon-exchange softener
Pool smell or flat tasteChlorineWhole-house carbon filtration
Orange stainingIronIron filter ahead of the softener
Rotten egg smellHydrogen sulfideAeration or catalytic carbon
Grit in aeratorsSedimentDepth or spin-down pre-filter
Flat drinking waterDissolved solidsReverse osmosis at the tap

Common questions

Where should I start? With a test. Every sensible water treatment decision follows from knowing your hardness and what else is in the water.

Do I need everything at once? No. Staged water treatment is common and works well, provided the plumbing is planned for what comes later.

Is a softener enough on its own? On city water, often yes. On a well, softening alone usually leaves iron, sulfur or sediment untreated.

Do you service other brands? Yes, all of them, including water treatment we did not install.

Check any of this against the primary sources:

Get treatment designed around your water

Free on-site test, a written stage-by-stage recommendation, and a firm price with no obligation.