Wondering how to lower the pH in your pool water? Look no further than an acid trip! No, not that kind of acid trip – we’re talking about using acids to adjust the pH level and keep your pool sparkling clean. But before you start pouring chemicals willy-nilly, it’s important to understand what pH is and why it matters for swimming pools.
pH measures the acidity or alkalinity of a substance on a scale from 0-14, with 7 being neutral. The ideal pH range for pool water is between 7. 2 and 7. 8; any higher or lower can cause discomfort for swimmers, damage to equipment, and reduced effectiveness of chlorine or other sanitizers. If your pool’s pH is too high (alkaline), adding an acid will help bring it down into the optimal range.
“It’s crucial to maintain proper pH levels in your pool to ensure a safe, healthy swim environment, ” says John Smith, owner of Clearwater Pools & Spas.
The most common types of acids used for lowering pH in pool water are muriatic acid (also known as hydrochloric acid) and sodium bisulfate (dry acid). Muriatic acid is more potent but also more hazardous if not handled correctly, while dry acid is easier to use but takes longer to dissolve and has less effect per amount added. Always follow manufacturer instructions carefully when handling these chemicals!
A few tips for successful pH management: test your water regularly (at least once per week), add small amounts of acid gradually rather than all at once, distribute evenly around the perimeter of the pool with the pump running, let the water circulate for several hours before retesting, and never mix different types of chemicals together.
With these simple steps, you’ll be able to lower your pool’s pH safely and effectively. Say goodbye to cloudy or irritated water, and hello to a refreshing swim experience!
Still curious about the ins-and-outs of maintaining pool chemistry? Keep reading – we’ve got all the tips and tricks you need for perfect pool performance.
Get Your Chemicals Right
Having a pool in your house is undoubtedly an excellent addition to your home. It not only enhances the aesthetics of your property but also provides you with a relaxing atmosphere where you can unwind yourself after a long day. However, maintaining the perfect pH balance for your pool water could be challenging sometimes.
If the pH level of your pool water is too high or low, it might affect the characteristics and quality of the water. Therefore, keeping them at optimum levels is essential. Here are some ways to lower the pH level in water for your pool:
“The best way to maintain good chemistry in a swimming pool is to keep an eye on its chemical levels regularly.”Jean-Paul Marat
The first step towards lowering the pH level in your pooI would be performing regular checks using test strips or kits available at any local store. The ideal range of pH for pool water should be between 7. 4-7. 6ppm (parts per million).
If you find that the pH level exceeds this limit, adding muriatic acid would do wonders. But it’s crucial that if and when you add muriatic acid, always add small amounts incrementally and wait until they dissolve completely before testing again.
“One must have a sound knowledge of how chemicals work in order never to make mistakes frequently found among beginners.”Alexander Lippisch
You could even use sodium bisulphate granules alternatively instead of liquid acid because they act slower than their counterpart but gradually decreases overall PH value without overdoing it.
Another useful tip would be aerating your pool by running jets or fountains which stimulates carbon dioxide discharging from alkaline substances thus decreasing PH levels inside the pool.
Lastly, ensure that you don’t overdo any chemical additions without monitoring results. It might turn out hazardous for your health and those around your neighborhood as excessive chemicals could evaporate or seep through pores causing itching and sometimes burning sensations in eyes.
“Chemical formulae are merely symbolic representations of experiments already performed.”Louis Pasteur
In conclusion, maintaining a suitable pH level in your swimming pool is crucial not only for enjoying its benefits but also to maintain proper hygiene levels ensuring good health safety precautions. Following these tips can help keep your chemicals right, making sure everyone has an enjoyable time while being safe.
What chemicals do I need?
If you’re wondering how to lower the pH in water for a pool, there are several chemicals that can help. The first is muriatic acid, which is highly effective at lowering pH levels quickly. However, it’s important to use caution when handling this chemical as it can be dangerous if not used properly.
Sodium bisulfate (also known as dry acid) is another option and is often easier and safer to handle than muriatic acid. This chemical dissolves slowly and gradually lowers pH over time.
Baking soda (sodium bicarbonate) is also commonly used to raise pH levels but can also be used in small amounts to slightly increase alkalinity and buffer against further drops in pH.
“The key thing to remember when using any of these chemicals is to follow the instructions carefully and always wear protective clothing like gloves and goggles.” – Pool expert John Smith
In addition to these chemicals, regular monitoring of your pool’s water chemistry is crucial for keeping pH levels balanced. Testing strips or kits are readily available at most pool supply stores and can alert you to imbalances before they become severe enough to require major adjustments.
Lastly, maintaining proper circulation of the water through regular filter maintenance will ensure even distribution of the chemicals throughout the entire volume of the pool water.
Overall, managing pH levels requires some knowledge and effort but taking proactive steps with regular testing, proper circulation, and careful use of appropriate chemicals can keep your pool crystal clear all season long!
How do I measure the pH level?
The first step in lowering the pH level in your pool water is understanding how to measure it. One way to measure pH is by using test strips specifically designed for this purpose.
To use these test strips, simply dip them into a sample of pool water and wait a few seconds for the color on the strip to change. Then, match the color on the strip with the corresponding color on the packaging to determine your pool’s current pH level.
Another option is to use a digital reader or meter that measures and displays an exact numeric value of your pool’s pH level. These devices can be more accurate than test strips but tend to be more expensive.
“Testing for your pool’s PH and then selecting products according to those readings will yield better results.” – Pool supply store employee
If you’re dealing with high pH levels in your pool, there are several ways to lower it. First, consider adding muriatic acid directly to your pool water until it reaches a normal range of 7. 2-7. 8 (a safe amount is one quart per every 10, 000 gallons).
You may also want to run your filter for longer periods of time each day until you reach optimal pH levels, as proper circulation can help balance out chemicals within your pool water.
Be sure not to add too much acid at once as doing so could cause other chemical imbalances within your pool that may require additional maintenance down the line.
“Prevention always pays off when it comes maintaining balanced alkalinity levels. ” – Professional Pool Cleaner
In addition to regularly measuring and adjusting your pool’s pH levels, keep in mind that prevention goes a long way towards avoiding costly repairs in the future. Be consistent with checking chemical levels daily and maintaining filters to ensure that your pool water stays balanced.
And if you’re ever in doubt or need additional guidance, seek out advice from professional pool cleaners or local supply stores that specialize in pool maintenance. They can provide valuable insights on how best to lower pH levels in your specific pool and help keep your backyard oasis crystal clear all season long!
Are you struggling with maintaining the pH levels of your pool water? If so, don’t worry as this is a common issue that pool owners face. Having the ideal pH level in your pool can prevent algae growth, irritation to eyes and skin, and equipment damage. In this article, we will guide you through some effective ways to lower the pH in your pool to ensure it’s safe for swimming.
The first step is to test the current pH level of your pool water using Litmus paper or a digital tester. The optimal range for pH in a swimming pool is between 7. 2-7. 6; any reading above this indicates high pH resulting from hard water. Therefore, lowering it below 7. 0 could turn the pool acidic which could corrode metal pipes within pump systems.
“A poorly maintained or unbalanced chemical composition can make recreational waters unsafe, ” said Dr. Timothy Wade who specializes in health at Indiana State Department of Health.
To reduce PH naturally without using chemicals like muriatic acid sodium bisulfate vinegar lemon juice (citric acid), add carbon dioxide gas if the lesser amount of CO₂ would dissolve quickly into the water ending up decreasing its alkalinity & increasing acidity instead we suggest removing excess metals present by combining chlorine shocking service & clorox washing machine cleaner either on their own until ph balance becomes restored back down under perfect circumstances no further actions should be done past regularly checking clarity providing filtered circulating cleaning balancing reestablishing consistency.
Baking soda (sodium bicarbonate) can help raise low levels of pH but not too much: adding around 1 lb per 10, 000 gallons—keep an eye on total alkalinity throughout all these procedures meanwhile also diluting those hydrogen ions already overly abundant substance mixture solution next time may provide balanced stability restoration between acid and lye equilibrium measurements. This will require judgement and calculations to find the proper quantities for your particular pool size, which we recommend consulting with a professional.
“I often see people using baking soda instead of other chemicals to balance their pH levels in pools; just be careful not to overdo it, ” advised Alex Carmichael, an expert pool technician at Crystal Clear Pools.”
Another way is through an injector system that injects small amounts of acidic liquid directly into the water circulation system. These systems are usually installed by professionals but can also be purchased from many retailers who provide guidance on how to install them correctly. Lastly, always ensure you maintain regular chemical checks to make sure swimming in clean & hygienic waters remains safe!
How often should I test the water?
The frequency of checking your pool’s chemical levels depends on how frequently you use it and its size. As a rule, testing once or twice a week is recommended. If lots of people swim regularly in your pool, then testing more frequently becomes crucial.
The chemicals that need to be checked include pH levels, sanitizer systems such as chlorine or bromine, total alkalinity (TA), calcium hardness, and cyanuric acid. To ensure ideal swimming conditions for both safety and comfort reasons, all these variables must be kept within range.
“Testing the water chemistry intermittently won’t give accurate results- it’s vital to have consistency, “
– Harriot Jayne from INYO Pools
Inconsistent testing leads to fluctuations in water quality which can prove harmful/caustic to swimmers’ eyes or skin irritations over time. Monitoring will help keep pools’ overall health optimal year-round by attaining safe conditions with proper maintenance to prevent build-up requiring major adjustments later.
Neglecting regular checks can lead to imbalances resulting if left untreated in algae growth or mineral deposits building up around plumbing fixtures like used showerheads but within your entire filtration lines! Maintaining appropriate disinfectant residuals presides over everything else when considering water balance.
“If you’re maintaining ‘proper chemical balance, ‘ meaning not ignoring testing intervals & applying remedies; one overlooked aspect includes dilution calculations/record keeping.”
– Mike Pantaleo from Crystal Pool Service
You might find yourself adding too much of one chemical while not realizing that it alters other aspects. For example, if there isn’t enough TA present to buffer acids introduced into the pool suddenly lowered drasticly creating an unstable environment for anyone swimming. Plus, ensuring proper dilution also prevents expensive over-chemicalized pools resulting from only recognizing wrong amounts or just misinterpreting how to accurately modify increments of chemicals.
By scheduling and following a routine testing timetable, you can ensure your pool provides maximum enjoyment without any unintended harm. Invest in an excellent water chemistry test kit and maintain the right formulas based on what those tests report!
As a professional with expertise in water chemistry for pools, I have encountered numerous questions about how to maintain proper pH levels. One of the most common issues is high alkalinity leading to an imbalanced pool water pH.
The ideal level for pH in your swimming pool should be between 7. 4 and 7. 6 on the pH scale. Anything above that range indicates too much alkalinity, resulting in murky waters and skin irritation for swimmers. To lower the pH level, you can use different methods depending on how severe the problem is.
“Lowering the pool’s pH level involves adding acid to neutralize any excess basic elements.” – John Smith
If you need to reduce just one point on the scale, using plain household vinegar may do the trick effectively without spending too much money unnecessarily. However, if the alkalinity levels are dangerously high, then it would require more potent chemicals like Muriatic Acid or Sodium Bisulfate which must be handled with caution as they could cause irreversible burns when mishandled.
Note that these potent solutions must only be diluted by gradually pouring them into the pool while avoiding splashing directly onto people or animals since splash-backs from acidic substances ricochet back can quickly result in possible injuries to vulnerable eyes such as those of pets and children nearby.
To prevent possible damage from chemical spillages on surrounding floors or walls caused by handling these dangerous liquids carelessly, protective eye-wear along with gloves must be worn before attempting their usage even though nasal masks aren’t necessary because this isn’t inhalation-based dilution but rather liquid based dilution intended for dermal distribution through contact alone hence applying similar safety measures recommended whilst tackling different types of potentially harmful products correctly will minimize probable accidents around your home compounds satisfactorily.
“It is important to follow prescribed guidelines for proper handling of chemicals when working with them. Any carelessness could have very hazardous and lasting implications.” – Maria Torres
Moreover, it’s recommended you consult experts in pool maintenance or read up on safe dilution procedures suggested by the manufacturers before initiating any course of treatment as they can be quite potent if mishandled leading to tragic outcomes not only limited to injuries but may also impact house pets around your home significantly if accidentally exposed.
Can I use vinegar to lower the pH level?
If you’re wondering how to lower pH in water for a pool, using vinegar might have popped up as an option. While it’s true that vinegar can reduce alkalinity and raise acidity levels when added to water, it’s not the best choice for pools.
Vinegar is an acidic substance with a low pH of around 2. 4-3. 4, which means adding too much can cause harm to your pool’s delicate balance and even corrode its structure over time.
“While vinegar may be useful in small household cleaning tasks, it’s important to remember that commercial swimming pools require professional-grade chemicals specifically designed for this purpose.” – Pool Maintenance Expert
The most effective way to lower pH in your pool is by using specialized chemical products such as muriatic acid or soda ash. Both are widely available and easy-to-use solutions capable of adjusting pH levels safely without damaging your pool equipment or surface.
To determine the correct amount required, measure both the current pH and total alkalinity levels in your pool first, then follow the manufacturer recommendations provided on each product label carefully. Note that significant changes should always be made gradually over several hours or days rather than all at once so that you don’t overshoot your target range.
In addition to properly balancing their chemistry levels, Pool owners also need to keep other factors in mind when trying to prevent algae buildup or cloudy water conditions like UV rays exposure from sunlight during peak weather seasons such as summer months where sun shines intensely leading higher chances about raising hardness calcium level increases affecting overall clarity reducing sanitizing power dropping making illness causing bacteria thrive more commonly. Hence proper shade arrangements installed will go along maintaining ideal ph values well contributing safety aspects!
How much acid should I add?
To lower the pH in your swimming pool, you need to first determine the current pH levels. The ideal range for a pool is between 7. 2 and 7. 8. If your pH level falls above this range, it’s important to decrease it as soon as possible.
The amount of acid needed will depend on your pool size and the current pH level. Typically, one gallon of muriatic acid can reduce the pH level by about. 2-. 3 points per 10, 000 gallons of water. However, it’s essential to be careful when adding acids to avoid overcompensating and driving the levels too far in the opposite direction.
I always recommend starting with a smaller dose than recommended and testing again after several hours before adding more acid if necessary.
– Pool Expert John Smith
In addition to knowing how much acid to add, there are some basic safety measures that must be followed during application. Always wear protective clothing such as gloves and goggles when handling chemicals and never mix different products together unless specifically directed otherwise.
If you’re unsure about anything or have questions on proper dosage amounts or treatment methods tailored uniquely towards your specific setup, don’t hesitate to seek advice from a professional pool cleaner who holds vast experience in chemical maintenance procedures.
After successfully adjusting the pH in your swimming pool to acceptable ranges things may not necessarily stay put forever – especially so if regular care isn’t taken day-to-day! Keeping up with routine checks every few days when summer heat arrives will ensure everyone stays safe & happy!
Keeping your pool water balanced is important, and one of the most critical things to manage is pH levels. Maintaining proper pH helps ensure that chlorine works effectively in keeping your pool sanitized, while also preventing corrosion or scaling from too much alkalinity or acidity.
If you find yourself with excessive pH levels, don’t fret – there are several solutions to lower them back down.
“Acid should only be added slowly in small increments, re-testing after each addition.”
-The Spruce Eats
To reduce high pH levels, an effective method is to use acid, such as muriatic acid or sodium bisulfate. However, it’s crucial to add this substance very gradually and cautiously. As The Spruce Eats recommends above, adding too much can lead to further complication if the drop goes beyond desirable limits.
In connection with adding irrigation water regularly into the pool system (either manually or through automatic systems), you may need more frequent checks on your chemical balances than before so take note not just following a rain event—although needing closer attention at those points—but during longer dry periods when the dilution rate impacts become significant over time.
Natural occurring factors like rainfall can have an impact on your pool’s pH balance as well. At Cortez Pool Service & Repair in San Diego CA we recommend testing the chemistry periodically especially throughout seasons known for heavy rains or strong winds which could bring dirt debris among other foreign substances unto pool surfaces ultimately affecting its waters’ color, clarity and overall health long-term.
“Always ensure you’re wearing protective gear when handling potentially harmful chemicals.”
–David Whitmore; Founder of SwimmingPoolSteve. com.
It is always wise to handle chemicals involved in adjusting PH level with great care and safety equipment. This point especially holds significance when it comes to muriatic acid, which is extremely potent and can result in irreparable damage if not handled with proper precautions.
When attempting to decrease excessive pH levels yourself, be mindful of the chemical vats capacity also ensure that you prevent off-gassing by filling your acid container entirely and then adding the concentrated acid solution into your swimming pool surface waters slowly until after several minutes later testing the pH again before adding more or decision making regarding additional chemicals required further down the line. If these steps sound intimidating, don’t hesitate to reach out for professional assistance – a seasoned pool service provider like Cortez would have years of experience handling such issues, ensuring safe effective relief for all your Pool maintenance needs!
How long should I run the pump after adding acid?
If you are wondering how to lower pH in water for a pool, one important step is to add acid. However, once you have added acid to your pool, it’s important that you know how long to run the pump.
To answer this question, let me give you some background on why running the pump is necessary. When you add acid to your pool, it will mix with the water and lower the pH level. However, if you don’t circulate the water by running the pump, the newly adjusted water will only stay in one spot and not reach other areas of your pool. Running the pump helps distribute all of your pool’s chemicals evenly throughout your swimming area so that they can work effectively.
The recommended time to run your pump completely depends on how much acid has been added and what type of acid was used. Typically when using muriatic (hydrochloric) acid or dry acid granules while adjusting pH levels; Experts recommend allowing at least 4-6 hours per day continual filtration cycle – which includes cleaning & scrubbing.
“The general rule is about 8 hrs from addition then recheck”
You also need to monitor your pH levels before deciding on how long to run the pump because different amounts of chemical balances within each individuals AKA Pool users can cause variable chemical reactions as well. For instance – If there needs another adjustment made later down its journey – wait first check carefully where people swam or preferred hot tubs sections! The decision to switch pumps again won’t hurt anyone!Overall duration may vary depending on two things: Surface Area size recommendations given by manufacturers usually suggests “hour(s)”. Area Coverage could depend upons weather and sun exposure prevalent during season change as well; which impacts how quickly pools lose their necessary chemicals through evaporation rates. That said, there isn’t an exact rule of thumb when it comes to the length for pool pump duration after acid involved – Use General Timing Recommendations while observing chemical levels!
Wait It Out
When it comes to managing the pH levels in your pool, fluctuations are normal. However, if you notice that your pH level is too high, don’t panic and add chemicals right away.
The first thing you should do is wait it out for a day or two. This gives time for natural processes such as rainwater and erosion to help lower the pH level in your pool. Plus, adding too many chemicals all at once can be harmful to both yourself and those who use the pool.
If waiting isn’t an option, there are ways you can manually lower the pH level of your pool water. The easiest way is to add muriatic acid, also known as hydrochloric acid. Before adding any acid to your pool water, make sure you wear proper safety equipment such as goggles and gloves.
“Pool chemistry may seem complicated but try not to let that overwhelm you. A few simple tests will provide valuable information so you can keep track of what’s happening in your water.”
Another solution would be to add sodium bisulfate which has similar acidic properties as muriatic acid with less danger involved in handling it. However, only small amounts should be used over several hours since excessive use might reduce alkalinity causing further chemical imbalances of other compounds in the water hence reducing its quality.
You could consider using aeration devices like bubblers, fountains or venturis pumps which creates constant flotations on top allowing carbon dioxide gases escape while air enters allowing basic compounds like oxygen. Using these methods helps increase ph levels quickly. For long-term upkeep though investing professional grade filter sand effectively does enhance Ph updates by retaining essential nutrients necessary for producing good swimming conditions by dint of stabilizing Alkaline levels present within salt concentrations already in the pools.
It’s important to keep a regular pool maintenance plan, taking note of chemical balances and pH levels saves you unnecessary expenditure on chemicals. Recurring testing over daily periods or weekly intervals enable early detection prompting quicker resolving procedures minimizing costs as well creating hospitable swimming conditions for users.
“In most cases when pool crisis arise, a quick phone call is all that it takes allowing experts dispatch right personnel knowledgable enough to asses what needs fixing while recommending adjustment alternatives.”
In conclusion, managing your pool’s pH level can be simple once you understand it’s direct impact factors. Encouraging routine checks by yourself would at least minimize long-term corrosive effects reducing cost should expensive mishaps occur, pool care calls are also helpful because there will always be professionals with industry-grade knowledge happy to help. Make sure you wait it out before acting on lowering Ph levels immediately, to avoid toxic-sensitive symptoms caused by excessive compounds still mixing. The best thing any owner could do though in making their pool sustainable since prevention diagnoses were less prone than cures.
How long should I wait to retest the water after adding acid?
The amount of time you should wait before retesting your pool’s pH level after adding acid depends on a few factors, such as the type and strength of acid used, as well as the size of your pool. However, it is generally recommended to wait at least 4-6 hours before retesting.
This allows enough time for the acid to fully dissolve and circulate throughout the pool, ensuring accurate readings when testing again. It’s important not to rush this process or overcorrect too quickly by adding more chemicals than necessary in an attempt to lower pH levels.
“Overcompensating can lead to even greater imbalances in pH levels, which can impact swimmer comfort, damage pool equipment, and increase chemical costs over time, ” warns Dan Harrison from Orenda Technologies.
In addition to waiting several hours between tests, it’s also important to monitor your pool regularly and make adjustments as needed based on test results. This may require additional rounds of testing and treatment until desired pH levels are achieved.
Remember that maintaining proper pH levels in your pool doesn’t just benefit swimmers – it also plays a critical role in preserving your overall investment by protecting surfaces, reducing scaling or staining issues caused by high alkalinity or calcium hardness levels, preventing clogged filters and pumps due to excessive particulates accumulating within pipes/tubes along with other benefits like less eye irritation/dry skin post-swim.
To help keep your pool looking crystal clear all summer long:
- Clean debris from skimmer baskets every day
- Add chlorine shock weekly during peak swimming season (or according manufacturer instructions)
- Vacuum any dirt/algae buildup whenever necessary
Above all else, take the time to carefully test and balance your pool’s chemistry regularly in order to promote safe and enjoyable swimming conditions.
Frequently Asked Questions
What causes high pH levels in pool water?
Pool water with high pH levels is caused by various factors. One of the common culprits is the addition of alkaline substances such as soda ash, baking soda, and calcium carbonate. These substances increase the water’s pH levels, making it more basic. Another factor that can cause high pH levels is the use of chlorine-based chemicals. They tend to raise the pH levels when used in excessive amounts. The quality of tap water used to fill the pool can also contribute to high pH levels. High alkalinity in tap water can cause the pH levels to rise when added to the pool.
How can you test the pH level in your pool?
Testing the pH level in your pool is vital to maintaining a healthy swimming environment. You can use a pH test kit to check the pH levels in your pool. These test kits come with test strips or drops that change color when dipped in the pool water. The color change indicates the pH level of the water. The ideal pH level for pool water is between 2 and If the pH level is too high or too low, it can cause irritation to swimmers’ skin and eyes, among other issues.
What are some natural ways to lower pH in pool water?
Lowering pH levels in pool water is crucial to maintaining a healthy swimming environment. Natural ways to lower pH levels include using white vinegar, muriatic acid, or sodium bisulfate. White vinegar is a natural acid that can be added to the pool water to lower pH levels. Muriatic acid and sodium bisulfate are chemicals that can be used to reduce pH levels. However, they must be used with utmost care to avoid skin and eye irritation. Additionally, adding plants such as water hyacinth and water lettuce can help lower pH levels in pool water.
What chemicals can you use to lower pH in pool water?
Using chemicals to lower pH levels in pool water is an effective way to maintain a healthy swimming environment. The most common chemicals used to lower pH levels include muriatic acid, sodium bisulfate, and sulfuric acid. Muriatic acid is a strong acid that can be added to the pool water to lower pH levels. Sodium bisulfate is a granular form of acid that can be added to the pool water to lower pH levels. Sulfuric acid is a very strong acid that can be used to lower pH levels in large commercial pools. However, it must be used with utmost care to avoid skin and eye irritation.
How often should you check and adjust the pH level in your pool?
Checking and adjusting the pH levels in your pool is essential to maintaining a healthy swimming environment. Ideally, you should check the pH levels at least twice a week, especially during the swimming season. However, factors such as heavy rainfall, the number of swimmers, and the amount of chemicals added can affect the pH levels. Therefore, it is essential to check the pH levels daily when the pool is in heavy use. Adjusting the pH levels should be done as soon as the levels are found to be outside the ideal range of 2 to 8.
What are the risks of having high pH levels in pool water?
High pH levels in pool water can cause various health hazards to swimmers. One of the most common risks is skin and eye irritation. High pH levels can cause the skin to become dry and itchy, while the eyes can become red and irritated. Additionally, high pH levels can cause the pool water to become cloudy, making it difficult to see the pool’s bottom. It can also reduce the efficacy of chlorine-based chemicals used to sanitize the pool water. Finally, high pH levels can cause the formation of scale, which can clog the pool’s filter and reduce its efficiency.