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Water Treatment & Water Quality

Frequently Asked Questions

FAQs By Topics

Water Testing FAQs

  • Most homeowners should schedule water testing at least once per year. If you live in San Antonio or the surrounding Central Texas areas, annual testing helps monitor changes caused by environmental factors, aging plumbing, and seasonal shifts. Homes on private wells should always test anytime water taste, color, or odor changes.

  • A professional water quality test can identify a wide range of issues, including hard water minerals, chlorine, sediment, iron, pH imbalance, bacteria, heavy metals, and chemical contaminants. Testing is the only reliable way to know what is actually in your water before choosing a treatment system.

  • Hard water testing focuses specifically on mineral levels, usually calcium and magnesium, in water, which cause scale buildup, appliance damage, and soap scum.

  • We prefer to meet with you at your home to conduct our own review of your plumbing and water quality. This helps us ensure that our recommendations are right for your water needs and property. We can also conduct a free in-home water test to identify common issues.

    However, in some cases, we’re able to provide a rough service quote over the phone, email, or even a virtual call if that’s easier for you. If you’re on municipal water, a good starting point is checking your annual water quality report. From there, we can help guide you toward the best option for your home.

  • Yes. While municipal water is treated, it can still contain high chlorine levels, hard minerals, sediment, or aging pipe contaminants. Water testing helps identify issues that affect taste, odor, plumbing performance, and skin or hair health, even when water meets basic safety standards.

  • Free water testing is an excellent way to identify common issues like hard water, chlorine, iron, and TDS. For more complex water quality concerns, such as bacteria, PFAS, or lead, laboratory testing provides a deeper analysis.

  • Some common signs your water treatment system may need service include:

    • Soap not lathering well, or dishes coming out spotty
    • Scale buildup on plumbing fixtures
    • Changes in water taste, odor, or clarity
    • The system is running continuously or failing to regenerate properly
    • Staining on laundry, silverware, sinks, toilets, or tubs
    • Dry skin and hair
    • Reduced water pressure

    If you notice any of these issues, it may indicate your water softener or filtration system needs maintenance, cleaning, or replacement of key components. Regular service helps keep your system operating efficiently and ensures your water quality stays consistent.

  • Water testing ensures you do not over- or under-treat your water. Based on results, Alamo Water Softeners can recommend a water conditioner, reverse osmosis system, carbon filtration, or whole-home filters designed specifically for your water conditions.

  • Yes, we offer free, no-obligation water testing as well as paid lab testing for more detailed results. Water quality changes over time, so periodic testing is important. Our professionals will walk you through the results so you understand what’s in your water and what solutions are best for your property.

Water Filtration FAQs

  • Yes, you can absolutely get a water filter for your entire home. A whole-home filtration system is installed where water enters your house, allowing it to filter all the water used throughout your property, not just at one sink. This means cleaner, better-tasting water for drinking and cooking, as well as filtered water for showers, laundry, and appliances.

  • Whole-home systems require the same occasional maintenance as any point-of-use filter. Schedule professional maintenance and filter changes based on the needs of the equipment you choose.

    If you have a whole-home softener system, you’ll simply need to top off the brine tank every 1-3 months with salt and schedule periodic service checks. When you sign up for a membership with us, we handle routine tasks, including inspections and salt delivery.

  • Reverse osmosis (RO) is a filtration method that provides high-purity water. Systems can be installed at a specific point of use, usually the kitchen sink, or at a home’s point of entry to treat all water coming into the property.

    Whole-home water filters always treat all water throughout the home and may include carbon filtration, softening, RO, or other methods.

  • If your whole-home water filter system already includes reverse osmosis (RO), then additional systems may not be necessary. However, many homeowners opt for a point-of-use RO system if they have a whole-home softener or sediment filter because it provides an additional level of purification for drinking water.

  • The best size filtration system for your home will depend on your household needs, number of fixtures, and water quality. Alamo Water Softeners provides a free in-home analysis to determine what size will work best for your property.

  • No. A water filter system from Alamo should not noticeably reduce water pressure.

  • Yes, proper water pressure is critical for water softener system performance and longevity. Ideal household pressure is between 60 and 80 PSI. Pressure that is too high can reduce treatment effectiveness and damage equipment. We check pressure during installation and recommend regulation if needed.

Reverse Osmosis FAQs

  • Professional installation ensures that your system is calibrated for local water pressure and hardness levels. A local reverse osmosis installer like Alamo Water Softeners ensures all connections are leak-proof and that the system is integrated correctly with your plumbing.

  • Most homeowners notice a change in the taste or smell of their water when filters become saturated. You may also see a significant drop in water pressure at the dedicated faucet. We recommend scheduled filter replacement every 6 to 12 months to avoid these issues.

  • Most reverse osmosis filters are replaced every 6 to 12 months, depending on water quality and usage. RO membranes usually require replacement every 2 to 5 years.

  • For a whole-house RO system for well water or city water, the membrane typically lasts between 2 and 5 years. This timeline depends heavily on your daily water usage and the quality of the water entering the system. Staying consistent with RO water filter replacement and maintenance is the best way to extend the life of the membrane.

  • A carbon filter reduces chlorine, chloramine, and bad tastes and odors, improving the flavor and smell of your home’s water. It also traps volatile organic compounds (VOCs).

  • Yes, we provide whole-house RO system well water installations across the San Antonio area. These systems are designed to handle the specific contaminants found in local groundwater, providing bottled-quality water throughout your home.

  • This can be caused by a ruptured tank bladder, a clogged filter, or another issue. Contact Alamo Water Softeners for service. Our technicians can quickly diagnose the problem and restore your reverse osmosis system to full functionality.

  • Yes, reverse osmosis water filters can be plumbed to supply refrigerators with cleaner water for ice and drinking water.

  • Reverse osmosis (RO) is a filtration method that provides high-purity water. Systems can be installed at a specific point of use, usually the kitchen sink, or at a home’s point of entry to treat all water coming into the property.

    Whole-home water filters always treat all water throughout the home and may include carbon filtration, softening, RO, or other methods.

  • If your whole-home water filter system already includes reverse osmosis (RO), then additional systems may not be necessary. However, many homeowners opt for a point-of-use RO system if they have a whole-home softener or sediment filter because it provides an additional level of purification for drinking water.

  • Yes. During a boil notice, all drinking water should be boiled regardless of whether you have an RO system, water softener, or other treatment/filtration equipment.

  • In most cases, yes, a small hole is drilled for a dedicated reverse osmosis faucet. We will discuss placement and options before installation.

Water Softener FAQs

  • It really comes down to three things: our team, our products, and the overall experience you get working with us.

    • First, our team genuinely cares about taking care of you. Quality customer service has been part of who we are from day one, and it shows in how we treat our customers before, during, and after installation. We also make it a point to get you an accurate water evaluation before any equipment is installed through accurate water testing.
    • Second, we only offer products we trust. After years in the industry, we’ve tested what works, and we won’t recommend anything we wouldn’t use in our own homes.
    • Third, we focus on value. When you compare systems side by side, we work hard to give you the best performance for your investment.

    Most importantly, our relationship doesn’t end after installation. We’re here to support you for the long haul. Take a look at our Google reviews and client testimonials, as they really do say it best.

  • Yes, it can. Hard water leaves behind mineral buildup inside your appliances and plumbing, which can make them work harder and wear out faster.

    Over time, that buildup can lead to higher energy use, more repairs, and a shorter lifespan for things like your water heater, dishwasher, and washing machine. Soft water doesn’t contain excess minerals, so your equipment can run more efficiently and last longer.

  • Yes, a water softener can benefit you and your home in many ways. Hard water leaves behind minerals that can dry out your skin and hair, cause buildup on dishes, shower doors, and fixtures, and even clog pipes. With a softener, those minerals are removed.

    Your skin and hair shouldn’t feel as dry, and you should feel cleaner after a shower with soft water. You’ll also notice less spotting and soap scum on glass, cleaner fixtures, and better soap lathering. Cleaning also becomes easier since you’re not fighting constant buildup.

  • Water softeners use water during regeneration, but modern systems are designed to be highly efficient. In many homes, reduced scale buildup can actually improve overall plumbing efficiency over time.

  • Yes. We offer financing options that can be reviewed during your appointment to help fit your budget. Contact us to learn more about our offerings.

  • Yes, rental options are available and pricing is based on household size and water needs. Contact us for a free evaluation. Contact us for a free evaluation.

  • Most water softener systems require approximately a 3′ × 3′ area to accommodate both the resin tank and the brine tank, along with proper plumbing connections and service access. Systems are commonly installed in garages, utility rooms, or designated plumbing areas. If space is limited, Alamo Water Softeners can recommend alternative system configurations to fit tighter spaces or shed options without sacrificing performance.

  • Proper water softener plumbing requires access to your main water line, a drain connection for regeneration discharge, and a nearby electrical outlet to power the system. If your home is not already pre-plumbed for a water softener, our team can modify or install the necessary plumbing to ensure correct placement and performance.

    Many of the properties we service require plumbing adjustments at the time of installation. We handle the entire process from start to finish.

  • Yes. We routinely install systems in homes that are not pre-plumbed. Our plumbing and water quality professionals identify the best location for the system and complete all necessary plumbing for water softener installation to ensure proper flow, drainage, and long-term performance.

  • Yes, we can. A lot of homes aren’t set up for a water softener, but that’s something we handle all the time. Somewhere around 50% of our customers’ homes were not plumbed for softeners at first, and now they are. We’ll walk you through how to get everything set up properly. Contact us to schedule a free, no-obligation evaluation.

  • Alamo Water Softeners installs water treatment systems for both well water and municipal (city) water. Our team also provides water testing services to ensure your equipment is properly designed for your specific water conditions.

  • Most families in San Antonio can expect a whole-home water softener installation to start in the $3,000–$5,000 range. Final pricing depends on factors such as household size, water hardness levels, plumbing configuration, and whether advanced features like filtration or WiFi-enabled monitoring are included. A free water test is the best way to determine the right system and exact cost for your home.

  • We recommend having your water softener serviced about once every three years to keep it running efficiently.

    We do offer a membership program that includes routine maintenance along with savings on several plumbing services. It’s a simple way to stay ahead of issues and protect your investment. Contact us to learn more.

  • Water softeners do not last forever, but many systems last 20 years or more with proper water softener maintenance. Longevity depends on water quality, usage, and upkeep.

  • A water softener removes hard minerals but does not remove chemicals like chlorine or other contaminants. Water filtration installation addresses these additional concerns.

  • During regeneration, single-tank softener systems temporarily provide unsoftened water, while dual-tank systems continue delivering soft water without interruption.

  • A water softener loop is a section of plumbing that allows water to be routed through the water softener before entering the home. During your evaluation, we’ll show you where the loop would be installed and explain how it integrates with your existing plumbing.

  • Resin is the filtration media inside a water softener that removes hard minerals like calcium and magnesium through an ion-exchange process. Water softener resin consists of small beads that carry a negative electrical charge. As hard water passes through the softener tank, the beads attract and capture positively charged mineral ions. At the same time, the resin releases sodium or potassium ions into the water in exchange.

    Over time, the resin beads become saturated with minerals. During the softener’s regeneration cycle, a brine solution flushes through the tank and removes the captured minerals, recharging the resin so it can continue softening water efficiently. This process allows the resin to keep working for years while consistently producing soft water.

  • Water softener media resin typically lasts 10–15 years, depending on water quality, chlorine levels, and maintenance. Homes with high chlorine, hardness, or iron may require replacement sooner.

  • Regeneration is the self-cleaning cycle of a water softener where the system flushes accumulated minerals from the resin using a salt brine solution, restoring the resin’s ability to soften water. This process is typically scheduled overnight because household water usage is lowest at that time, minimizing disruption and ensuring soft water is available during peak daytime hours.

  • Yes, proper water pressure is critical for water softener system performance and longevity. Ideal household pressure is between 60 and 80 PSI. Pressure that is too high can reduce treatment effectiveness and damage equipment. We check pressure during installation and recommend regulation if needed.

  • When the power goes out, it’s normal for your water softener clock to reset. Updating the time is usually quick and only takes a minute or two. We’ve put together a simple step-by-step video to walk you through it. Just click here to watch the tutorial on our YouTube page and get your system back on track.

  • In most homes, outdoor faucets used for watering plants are not connected to the softener. Unsoftened (hard) water is safe for plants and landscaping. Water softeners are meant to treat water used for bathing, laundry, cleaning, and drinking. This helps conserve softener salt and preserves naturally occurring minerals for irrigation.

  • Water softeners use water during regeneration, but modern systems are designed to be highly efficient. In many homes, reduced scale buildup can actually improve overall plumbing efficiency over time.

Water Softener Salt FAQs

  • Any type of water softener salt will work for your system. However, pelletized salt has bonding agents in it in order to create the pellet. The solar crystal salt does help your system operate better. Most systems work best with high-quality pellet or crystal salt. These types help your system run efficiently and limit buildup over time. If you’re not sure what type is best for your softener, we’re happy to help. Contact us today, and we’ll point you in the right direction. We also offer water softener salt delivery for your convenience.

  • Alamo Water Softeners delivers high-quality, septic-safe salts that protect both your system and your home’s plumbing. We offer solar salt, which is naturally evaporated and ideal for efficient softening. We also carry potassium chloride, an eco-friendly and sodium-free alternative.

  • We recommend solar crystal salt because it dissolves cleanly and supports optimal system performance. Pelletized salt will work, but it contains binding agents that can contribute to buildup over time.

  • Water softener salt delivery eliminates the hassle of buying, storing, and lifting heavy salt bags. Our San Antonio delivery team ensures you always have the right salt for your system, keeps your brine tank filled, and performs a basic maintenance check during each visit. This means better system performance, improved water quality, and one less chore to remember.

  • Yes, when you sign up for salt delivery with AWS, our delivery team will refill the brine tank. They will also verify that the system is running properly before they leave. These services are included when you sign up for a maintenance membership plan.

  • Adding salt to your water softener is simple and requires no tools. During softener installation, our technicians show you exactly how to add salt and how to monitor levels.

  • Most families need fresh salt every two to three months. However, the amount of salt your system uses depends on water usage. Large households may need salt added more often than smaller ones. Our technicians can help you determine the best salt delivery schedule for your needs.

  • If you notice side effects of hard water, like spots on dishes, buildup on faucets, or dry skin after showering, your softener could be low on salt. You might also notice your brine tank looks low or completely empty.

    If your softener is already filled, Alamo Water Softeners can perform a water test to confirm whether your system is regenerating properly.

  • Water softener salt costs vary by retailer and type, but it is generally affordable and widely available at home improvement stores and grocery retailers. The range typically falls between $10 and $40 for a 40lb bag, depending on the type and quality of salt you buy.

    To make maintenance easier, Alamo Water Softeners offers convenient water softener salt delivery, so you don’t have to lift, transport, or store heavy bags. Delivery options are customized based on your water usage.

  • Yes, we do. Water softener salt delivery from AWS takes the hassle out of keeping your softener running properly. We’ll deliver the salt right to your home, so you don’t have to worry about lifting heavy bags or making extra trips to the store. Contact us today, and we’ll walk you through how our salt delivery program works.

Water Heater FAQs

  • In Central Texas, most traditional tank water heaters last between 8–12 years, while tankless water heaters can often last 15–20 years with proper maintenance. Hard water in areas like San Antonio, Bulverde, Spring Branch, and New Braunfels can shorten the lifespan of a water heater due to mineral buildup inside the tank and heating elements. Regular flushing and water heater use can help extend the life of your system.

  • The right size tankless water heater depends on how many fixtures and appliances you use at the same time. A small household may only need a unit capable of handling 5–7 gallons per minute, while larger homes with multiple bathrooms often require higher-capacity systems or even multiple units. Factors like incoming groundwater temperature and family size also matter. A professional assessment from Alamo Water Softeners can help ensure you get the correct size for reliable hot water.

  • Most water heaters have a thermostat that allows you to adjust the temperature. On electric water heaters, the thermostat is usually located behind access panels. On gas water heaters, there is typically a temperature dial near the gas control valve. For safety and energy efficiency, most homeowners should keep the temperature set around 120 degrees Fahrenheit.

  • A standard water heater installation usually takes about 2–4 hours. Tankless water heater installations may take longer depending on gas line upgrades, venting requirements, or electrical modifications. Installation time can also vary if plumbing updates or code corrections are needed.

  • Replacing an existing water heater with a similar model generally takes between 2–4 hours. If additional work is required, such as updating venting, adding an expansion tank, or converting to tankless, the process may take longer. Alamo Water Softeners has professional installers that can usually complete most residential replacements in a single visit.

  • You should consider replacing your water heater if it is over 10 years old, leaking, producing rusty water, making loud popping noises, or struggling to provide consistent hot water. Rising utility bills and repeated repairs can also be signs that replacement is more cost-effective than continued repairs. At Alamo Water Softeners, we often help homeowners extend the life of their water heaters through water softening and routine maintenance solutions designed specifically for Texas water conditions.

  • There are several possible reasons your water heater may stop working, including a tripped breaker, failed heating element, pilot light issues, thermostat failure, gas supply problems, or sediment buildup. If you suddenly have no hot water, it is best to have the system professionally diagnosed to avoid further damage or safety risks.

  • Most electric water heaters have a reset button located behind the upper access panel on the unit. If the water heater stops heating, pressing the reset button may restore operation temporarily. However, if the reset button continues to trip, it could indicate a faulty thermostat or heating element that requires professional repair.

  • Most manufacturers and plumbing professionals recommend setting your water heater to 120 degrees Fahrenheit. This temperature provides comfortable hot water while helping reduce energy costs and lowering the risk of scalding. Some households may choose slightly higher settings for larger hot water demands, but temperatures above 140 degrees can become dangerous.

  • Traditional tank water heaters typically take 30–60 minutes to fully heat a tank of water after being depleted. Gas models generally heat faster than electric models. Tankless water heaters heat water almost instantly as it flows through the system, though there may still be a short delay as hot water travels through the pipes.

  • If your water heater is leaking from the bottom, turn off the power or gas supply and shut off the water valve to the unit if possible, or if you need assistance, call Alamo Water Softeners. Leaks may come from loose drain valves, condensation, or internal tank failure. A leaking tank often indicates the water heater needs replacement, especially if the unit is older.

  • Regular water heater maintenance includes flushing the tank annually to remove sediment, checking the anode rod, inspecting for leaks, testing the pressure relief valve, and monitoring temperature settings. In Central Texas, hard water makes routine maintenance especially important to help extend equipment life and maintain efficiency. Alamo Water Softeners commonly recommends water treatment solutions alongside regular maintenance to help reduce scale buildup and improve overall appliance longevity.

  • In many Texas homes, an expansion tank is required when a closed plumbing system is present. Expansion tanks help protect your plumbing and water heater from pressure buildup caused by heated water expanding inside the system. Local plumbing codes and home configurations can vary, so a licensed professional can determine whether one is needed for your installation. At Alamo Water Softeners, we help ensure systems operate safely and in compliance with local Texas plumbing requirements.

  • Water heater replacement costs can vary based on the type of unit, your home’s plumbing setup, and whether any upgrades are needed during installation.

    As a general guideline:

    • Traditional gas or electric water heaters usually range from $2,600 to $3,500
    • Tankless water heater installations typically start around $5,500

    For the most accurate pricing, contact Alamo Water Softeners for a free estimate tailored to your home and hot water needs.

Additional FAQs

  • Water treatment systems can often be removed and relocated. If left with the home, warranty transferability depends on system type and agreement terms.

  • Common signs include spotting on fixtures, dry skin or hair, soap not lathering well, or scale buildup returning. Any noticeable change in water quality warrants a system check.

  • Water treatment system repair is often the best option when a system is relatively new, and the issue involves a single component, such as a valve, control head, or filter housing. However, if the unit is older, operating inefficiently, or experiencing frequent breakdowns, filtration system or water softener replacement may be the more practical and cost-effective option.

  • Yes, we can. Installing during the build process is actually one of the best times to do it, since everything can be set up the right way from the start. We’ll work with you or your builder to make sure everything is properly installed and ready to go when you move in. Schedule a free, no-obligation evaluation when you contact us today.

  • All water treatment systems include warranties, which is one reason many customers choose Alamo Water Softeners. Warranty details vary by system and are reviewed during your consultation.

  • Yes. We service and repair many types of water treatment systems, including water softeners, filtration units, and reverse osmosis systems. Our team will evaluate your current equipment for performance and condition. Based on this assessment, we can recommend the most cost-effective option, whether that means performing a repair, replacing specific components, or upgrading the system.

  • Most water filtration installations are completed in one day. Timing depends on plumbing requirements and system type.

  • Most system installations do not require trenching. Trenching is only needed when the main water line or drain access is located far from the installation area, such as in detached garages or exterior wall setups. If trenching is required, we review the scope and cost with you upfront before any work begins.

  • If you use municipal water, your provider publishes an annual Consumer Confidence Report (CCR) outlining detected contaminants. Independent resources such as the Environmental Working Group (EWG) database can also provide insight: Visit the EWG Tap Water Database.

    To get accurate, current results about your personal water supply, you can schedule municipal water testing in Texas with Alamo Water Softeners. We offer both free and paid lab testing so you can remain informed about your water quality.

  • Check out our quick YouTube Video to learn how to locate your water meter/main water shutoff.

For other useful tips, tricks, and DIY tutorials visit Alamo Water Softeners on YouTube.