When it comes to owning a pool, keeping the water clean and clear is of the utmost importance. But did you know that even clear-looking water can still be too harsh for swimmers?
If you’re noticing skin irritation or a strong chlorine smell around your pool area, chances are your water is too hard. Hard water occurs when there is a high mineral content in your pool, commonly from calcium and magnesium buildup.
The good news is: softening your pool water is an easy fix! By following simple tips and tricks, you can make sure your pool is not only healthy but comfortable for all swimmers.
“Softening your pool water doesn’t have to break the bank or take up too much time. With just a few adjustments, you’ll notice an improvement in both the look and feel of your pool.”
In this article, we’ll discuss various methods to soften pool water, including using chemical treatments, installing a water softener, and maintaining proper pH levels. We’ll also go over common mistakes to avoid and tips to keep your pool sparkling clean all season long!
Table of Contents
Identify The Cause Of Hard Water
Hard water is a common issue for many pool owners. If your pool water feels gritty or leaves behind stains, chances are you have hard water. But what exactly causes hard water? Here are some common reasons:
High Mineral Content
One of the most common causes of hard water is a high mineral content. When calcium and magnesium ions accumulate in your water, it can make your pool water feel hard. These minerals naturally occur in geological formations and become dissolved in groundwater sources.
If the source of your pool’s water is from well water, then hard water could be caused by an excessive amount of minerals present within that natural underground supply. Groundwater with these added minerals has often picked them up from soil and rock itself, and when pumped to the surface, they add those same elements into any pools filled using that supply.
“Groundwater is usually considered more mineral-filled than water pulled from other sources like lakes or reservoirs.” -The Spruce
Groundwater Sources
The primary source of hard water comes from groundwater. As rainwater seeps through sedimentary rocks such as limestone or chalk, it dissolves some of their alkaline earth metals, including magnesium and calcium. Consequently, groundwater sources commonly contain high levels of these minerals which contribute to hard water conditions in your pool.
It is worth noting that depending on where you live, the season, and specific weather patterns, different parts of cities may similarly experience different degrees of abundant minerals in their water supplies due to shifting underground aquifers and geology influenced by minor climate changes.
“Groundwater hardness varies widely across the country but resourceful homeowners will find many ways to address this issue.” -Hunker
Geographical Location
The hardness of water can also vary widely based on your geographical location. This is mainly because groundwater formations differ from area to area. If your surrounding soil and rocks contain high amounts of alkaline earth metals, then the natural water source will have a higher mineral concentration.
As mentioned above, however, this isn’t the sole factor determining whether or not hard water shows up in your pool environment as this can change with even minor shifts underground from one season to another.
“The earthโs surface features drive variations in water mineral contents across America.” -USGS (United States Geological Survey)
Old Pipes or Plumbing Systems
Another possible cause of hard water is old pipes or plumbing systems. Over time, minerals build upon walls within the piping, which could lead to your pool having more calcium and magnesium ions than it should. Using well-maintained modern infrastructure like PVC pipes both lessens leaks and keeps these contaminants from getting too high.
In some cases, there may be difficulties involved with replacing aging infrastructures given their depth beneath the ground amongst other logisticaL hurdles; making upgrades almost impossible. In such instances, homeowners need to turn toward emerging treatment techniques such as chelation, sequestration options.
“Stagnant bodies of water that form along their journey accumulate minerals over time, picking up rust, salt molecules, dirt, and other harmful substancesโ whatever harmlessly washes along riverbeds before pooling together.” -HomeLife Warranty Protection
Identifying the source of hard water build-up is essential if you want to keep your pool water clean and sparkling. While it’s not always easy to pinpoint the root cause of the issue yourself once you’ve done so, additional treatments are much easier to plan and excecute.
Use A Water Softener
If you’re struggling with hard pool water, the solution may lie in a water softener. Hard water typically contains high levels of calcium and magnesium, which can cause buildup on your pool tiles, reduce the effectiveness of chlorine, and create skin irritation for swimmers.
A water softener can remove these minerals and improve the overall quality of the water in your pool. Here’s how to soften pool water using a water softener:
Select The Right Size
The first step is selecting the right size water softener for your pool. This will depend largely on the size of your pool as well as the level of hardness in your water. Most manufacturers will provide guidance based on these factors, but it’s still important to do your own research and make sure the size is appropriate for your specific needs.
Choose The Right Type
Next, select the type of water softener that best suits your needs. There are different types available depending on the complexity of your situation, such as salt-based or salt-free softeners. Salt-based softeners are often more effective at removing minerals but require regular maintenance to replenish the salt supply. Salt-free options don’t require any upkeep but may not be as thorough at removing the problematic minerals from your pool water. Consider both types and make an informed decision based on your budget and specific needs.
Proper Installation
Once you’ve selected the correct size and type of water softener, installation is critical to ensure optimal performance. Take the time to read through the manufacturer’s instructions carefully before beginning the process. If you’re not confident you have the expertise required to install the system yourself, consider hiring a professional to avoid causing unnecessary damage to your existing pool equipment.
Be sure to install the system close enough to your pool so you can easily connect it to your existing plumbing without any complications. This will ensure that water moves freely through the softener before entering the pool and reducing hardness levels.
Regular Maintenance
The final step in successfully using a water softener for your pool is regular maintenance. Depending on the type of system you choose, you may need to monitor and replenish salt levels periodically or replace cartridges as necessary. Schedule routine checks with a trusted technician who can keep your softener working optimally throughout the season.
“The difference between hard water and soft water is simple. Hard water contains excess minerals such as calcium, magnesium, and iron whereas soft water does not.” – Alex Mangrolia, Water-Right Group
Using a water softener for your pool can greatly improve the quality of your swimming experience. With proper selection, installation, and maintenance, you’ll enjoy crystal-clear water all season long.
Use Chemicals To Soften Pool Water
If you want your pool water to feel less harsh on your skin and eyes, you may need to soften it. Hard water is caused by high levels of minerals โ particularly calcium and magnesium โ and can lead to scaling, cloudy water, algae growth, irritation, and other issues.
While there are a few ways of softening pool water, the most effective method is to use chemicals that break down or remove the excess minerals. Here’s what you need to know:
Choose The Right Chemicals
There are several types of chemicals that can be used to soften pool water. Some of them work by reducing the pH level, while others bind with the minerals and prevent them from precipitating out of the water. You should choose the chemical based on the mineral content of your water and the desired result.
A common type of chemical for softening hard water is a sequestering agent. This chemical binds with minerals like calcium and makes them inactive, preventing them from sticking to surfaces or causing harm. Sequestering agents come in liquid or granular form and should be added according to instructions.
You could also use a chelating agent. Chelators work similarly to sequestering agents but are more effective at removing heavy metals like copper and iron. If your pool has high metal levels, this might be the best option. However, chelators tend to be more expensive and require higher doses than sequestrants.
Proper Dosage
The effectiveness of any chemical treatment depends on how much you add to the water. Adding too much or too little can have negative consequences, such as unbalanced pH, staining, or cloudy water. Before adding any chemical, read the label and follow the instructions carefully.
Testing your water before and after adding softening chemicals can also help you determine if you’ve added enough. Use a pool test kit to measure the hardness level, pH, alkalinity, and chlorine levels of your water. Ideally, the hardness should be between 200-400 ppm (parts per million) for most pools. If the levels are above this range, it’s time to add a chemical.
Regular Testing
In addition to testing your water when adding softening chemicals, you should also perform regular tests โ at least once a week โ to ensure that all levels are balanced. The more often you check, the easier it will be to spot any issues before they become major problems.
If you notice hard water symptoms persisting after using chemicals, you might need to repeat or increase the dosage. Alternatively, you could try other methods of softening water, such as using a water softener on your home’s supply or installing a reverse osmosis system specifically for your pool.
“Swimming pools with high calcium hardness levels look cloudy and feel rough to the touch. Hardness causes scaling on surfaces and plumbing equipment. It can damage plaster, tile grout and vinyl liners.” -Aqua Magazine
Remember that maintaining proper water chemistry is crucial not only for comfort but also for safety reasons. Softening pool water requires some effort and investment, but it’s well worth it in the long run.
Try Natural Softening Methods
If you are experiencing hard, mineral-heavy water in your pool, it can cause various problems like staining and scaling of the pool’s surface. Hard water is caused by high levels of calcium and magnesium minerals, which leads to issues with soap lathering and can even damage your pipes over time. Luckily, natural softening methods can help reduce the hardness of your swimming pool water without using harsh chemicals. Here are three natural ways to soften pool water:
Boiling Water
One way to naturally soften pool water is by boiling it. Boiling water helps dissolve the excess minerals that create a hard texture while removing bacteria and other impurities from the liquid. In addition to reducing the water hardness, boiling removes other contaminants that can build up in your pool over time such as oils or dirt.
To apply this method, start by filling a large pot with distilled water and bring it to a boil on your stove top. Once boiling, let the hot water cool down for several hours until it comes back to room temperature. Next, use a bucket or hose to pour the cooled boiled water into your pool. Repeat the process several times according to the level of hardness you need to achieve. It’s important to note that boiling water will not remove severe cases of hard water buildup, but it can aid in maintaining healthy pool chemistry over time.
Adding Citric Acid
Citric acid can be an effective solution for treating hard pool water because of its acidic qualities. By adding citric acid to your pool water, it can lower the pH level, which reduces the chances of having mineral buildup along the walls and floor of your pool. The citric acid raises the concentration of hydrogen ions in the water, thus making the water more corrosive so that it dissolves calcium deposits and lets them pass through the filter system.
To achieve a moderate softening effect, start by dissolving citric acid in hot water first before adding it to the swimming pool. Use one pound of citric acid for every ten thousand gallons of water, dissolved into a bucket containing three or four gallons of warm water before pouring into the pool’s deep end at night. Make sure to distribute it evenly across the entire surface of the pool using a brush or net as needed. Monitor the pH level consistently for up to 72 hours after treatment as they should be around 7-7.6, which is lower than usual.
Using Distilled Water
Another natural method of softening hard pool water is by diluting it with distilled water. Although this method may seem inefficient due to its process, it can give your pool an instant reduction in mineral levels and extend the life of your filtration systems in the long run.
Purchasing distilled water from stores and distributing it evenly throughout your pool is the easiest way to apply this method. The ratio of distilled water used depends on how much you require; however, professionals recommend a 50/50 mix between normal tap water and purified water. For larger pools, you may need to use more distilled water — though always check guidelines related to yours to prevent too much dilution.
“When dealing with excess minerals in pool water, it’s important to use caution when introducing any chemicals or treatments. Natural methods like boiling water, adding citric acid or using distilled water can provide effective solutions to reducing hardness without causing further issues.” – Pool Corp Magazine’s experts
If you’re looking for ways to soften pool water naturally, there are some gentle approaches you can try that avoid harsh chemical additives. These natural options could make a difference in combatting the stress that hard water can cause on your pool over time. Depending on how much hardness you have in your water, and the severity of mineral buildup, each of these methods could be an excellent option before professional help is required.
Regularly Maintain Your Pool
Maintaining your pool regularly ensures that it remains clean and safe throughout the swimming season. Here are a few tips to keep your pool in top shape:
Skim and Brush The Pool
Skimming the surface of your pool with a net helps remove debris such as leaves, twigs, insects, and other materials floating on the water. Brushing the walls and floors of the pool also helps eliminate algae blooms and prevent scaling caused by hard water. Use a soft-bristled brush for vinyl or fiberglass pools and a stiff-bristled brush for concrete or tile ones. Scrubbing removes any buildup from surfaces and helps you catalyze chlorine sanitation.
“The ideal frequency – which aims to ensure that chemicals don’t have time to wear down – is once every week to 10 days,” says Timothy Miller from Chem Swim
Check Water Chemistry
Testing the chemical balance of your pool water is essential for ensuring quality and maintaining proper hygiene. Check pH, alkalinity, calcium hardness, and chlorine levels at least once per week. Chemical imbalances can cause eye irritation, skin rashes, and bacteria growth. Adjust the water balance accordingly using products available from local pool supply stores.
“Chemistry comes before technology; without it, we wouldn’t be able to take care of our clients’ needs,” explains Gary Crayton from Bio-Lab inc.
Inspect Pool Equipment
Your pump, filter, skimmer baskets, and other equipment need routine maintenance like cleaning, replacement of parts, or seasonal closure. Inspect seals, valves, plugs, O-rings, and gaskets to ensure theyโre not leaking or wearing out. Refer to the manufacturerโs instructions for advice on how often to change and replace wear parts. Well-maintained equipment promotes energy efficiency, which reduces your utility bills.
“Frequently inspecting a salt cell will ensure that it can continue sanitizing as effectively as possible,” adds Terry Arko from bioGuard pool care brand
Winterize The Pool
In areas where the temperatures drop below freezing points during winter, closing the pool is necessary to avoid damage from ice formation. Drain water and blow out lines before refilling them with antifreeze. Protect your heater, pump, and other components by covering them securely. Check the pliability of covers if they have been stored all summer long, make sure you still get value from what you spent money on.
“When poured into plumbing lines and filters – along with draining plugs and hoses – antifreeze migrates everywhere throughout the system. It then flows in and out until every spot has protection.” advises Matt Giovanisci from Swim University.
Maintaining your pool regularly helps keep it enjoyable and safe for everyone who uses it. Keep these tips in mind and always check manufacturer recommendation or consult an expert for proper maintenance instructions.
Frequently Asked Questions
What Causes Hard Water in Pools?
Hard water in pools is usually caused by high concentrations of minerals such as calcium and magnesium. These minerals can come from the pool’s water source, or they can be introduced through chemicals used to balance the water’s pH levels. High levels of these minerals can cause scaling, cloudy water, and damage to pool equipment.
Can You Soften Pool Water Naturally?
Yes, there are natural ways to soften pool water. One way is to use a pool chemical called sodium hexametaphosphate, which binds to minerals and prevents scaling. Another way is to use natural additives such as vinegar or baking soda to adjust pH levels and reduce mineral buildup. Additionally, using a pool cover can help reduce evaporation and prevent mineral buildup.
What Chemicals Can Be Used to Soften Pool Water?
There are several chemicals that can be used to soften pool water, including sodium carbonate, sodium bicarbonate, and sodium hexametaphosphate. These chemicals work by binding to minerals and preventing them from forming scale or damaging pool equipment. It’s important to carefully follow instructions when using these chemicals, as overuse can lead to other issues such as cloudy water or pH imbalances.
How Often Should You Test Pool Water Hardness?
Pool water hardness should be tested regularly, ideally once a week. This will help you maintain the correct balance of minerals in the water and prevent scaling or other damage to pool equipment. If you notice any changes in water color or clarity, it’s important to test the hardness immediately to prevent further issues.
What Are the Effects of Hard Water on Pool Equipment?
Hard water can have several negative effects on pool equipment, including scale buildup on surfaces, clogged pipes, and damage to pumps and filters. Over time, this can lead to costly repairs or replacement of equipment. It’s important to properly balance pool water and use appropriate chemicals to prevent mineral buildup and extend the life of pool equipment.
Can Softened Water Be Harmful to Swimmers?
Softened water can be harmful to swimmers if the softening process involves the use of salt or other chemicals that can irritate the skin or eyes. However, using natural methods such as sodium hexametaphosphate or natural additives such as vinegar or baking soda should not cause any harm to swimmers. It’s important to carefully follow instructions when using any pool chemicals and to regularly test and balance water chemistry to ensure a safe swimming environment.