Get in touch with a Swimming Pool Expert. The addition of metal sequestering agent to the pool or spa can minimize this problem. The test color at pH 6.8 is the same as the color at pH 6.0 or 5.5. Not only is it bad for your health, but it can be bad for your pool due to the increase in chlorine. Hyperchloremia is a disorder in which a person has too much chloride in their blood. Stabilized chlorine isnt active or weak; its more like reserve chlorine. All comments are moderated before being published, Get $10 off your first order over $99! Rinse these probes with distilled or deionized water after use and store dry. link to Is the Water in the Ohio River Contaminated, How Often Should You Wash Your Water Bottle, LaMotte ColorQ Pro 9 Plus Digital Liquid Pool & Spa Chemical Water Testing Kit. Learn more here. Iacobelli, S., Kermorvant-Duchemin, E., Bonsante, F., Lapillonne, A., & Gouyon, J.-B. Hydrochloric Acid-Hydrochloric acid (HCl) is a strong acid. This includes scratches, dirt, stains, fingerprints and water droplets on tubes or in the reaction chamber. Besides their dependence on chlorine dosage, the pH impacts depend on the characteristics of the water being treated. The key to making dilution with water work is that the water really does need to be distilled water because it must be unbuffered. For people who are at risk of developing hyperchloremia, some strategies that may help include: In otherwise healthy people, hyperchloremia is very rare. Pool water starts with a strong chemical structure that will prevent negative happening or fast changes during those dog days of summer. The alkalinity titration measures total alkalinity which mainly includes carbonate, bicarbonate, and cyanuric acid. Multi-pad pH strips for laboratory use will not work in low buffer pool and spa water. Calcium hypochlorite, however, is highly alkaline with a pH of around 12, so this is going to raise the pH level of the water (as well as increase the calcium hardness level, for that matter). (2012). . Exposure to high levels of chlorine can cause lung irritation, skin and eye damage, and provoke asthma. Addition of the Phenol Red indicator causes the pH of the sample to shift to the pH of the Phenol Red indicator. As pH gets higher, however, the process slows down, and more of your chlorine is converted into the a weaker form of chlorine. Staying within this range keeps the water from harming both your pool and the people who use it, while also being optimal enough for the chlorine to work without having to add an unreasonable amount of sanitizer to your water. Sunday: Closed. It should be well-distributed within a few hours for better results. Wash your hands and dry them before handling the strips. The best results are after a short time for ensuring a proper pH after the initial spike that usually will happen when you shock swimming pools. A new CDC report finds that one in five pools in five states in 2013 had to be closed due to serious safety violations, including improper pH or chlorine readings. When looking at colorimetric tests, you can use either a manual testing method or an automated colorimetric test. Proper reading for chlorine is 1.5 - 3.0 PPM and 3.0 - 5.0 PPM for bromine. The kidneys help regulate electrolyte levels, so electrolyte problems can signal a problem with the kidneys. Retrieved from. The pH level of your pool water does have a significant impact on chlorines ability to effectively sanitize and clean your water. Liquid chlorine does not raise pH of pool water. For waters with high buffering capacities, the pH differences will be less. Medical News Today has strict sourcing guidelines and draws only from peer-reviewed studies, academic research institutions, and medical journals and associations. A pH meter won't be affected by this, but they are expensive and can be finicky if you don't clean them and store them back in their proper solutions. The interferences for pH testing with reagents mentioned above can be avoided with a pH probe. Inorganic chlorine is Calcium Hypochlorite for daily and shock chlorination. Approaching pH level six, your pool water will be unsafe to swim in and it can get irritating very fast. Most pool owners have done it. Some very interesting articlesThank you. Never test the water immediately after shocking or other chemical addition. Chlorine tablets are typically trichlor with a low pH level of around 3. You can find it as trichlor, dichlor, or calcium hypochlorite. This time of inactivity typically gets your levels within the appropriate range. This article will explain the ideal pH level for chlorine, how pH affects the effectiveness of chlorine, and what happens to chlorine at varying pH levels. In fact, leave your pool uncovered for 2-3 hours, and the direct sunshine of a clear sky can deplete 90% or more of a pools chlorine level. Steadifac is 0.25% thioacetamide. If chlorine testing is being done for industrial processes, these facilities will use free chlorine analyzer systems that can provide precise measurements on a large-scale basis. In the case of heavy rainfall Elevated levels of these chemicals in the pool or spa water, however, may interfere with the iron test resulting in an inaccurate lower value. In most cases, a diagnosis of hyperchloremia will require additional testing to uncover the cause. When the pH levels go above 7.6, chlorine disinfectants are less effective in killing bacteria and algae. PHTA Recreational Water Quality Committee, http://www.lamotte.com/images/pdf/techtips/waterlabtech.pdf, https://nei.nih.gov/health/color_blindness/facts_about, Testing Methods and Backyard Connectivity. The main benefits associated with digital colorimeters include quick results and precise readings. It has little affect on killing algae..only at prevention. Chlorine is quickly burned off by sunlight, so many pool owners combine their chlorine with cyanuric acid to protect it from the suns UV rays. Rinse probes with distilled or deionized water before and after use. Hyperchloremia often points to another problem. The systems pH will determine what types of pathogens or bacteria are in the water and what the concentration of these contaminants are. Get $10 off your first order over $99 and hear about sales, exclusive offers & helpful DIY tricks from our pool experts. People taking chemotherapy drugs that harm the kidneys may need regular electrolyte tests. You will get much more visibility by. When the pH level approaches or goes below 7.2, the water becomes corrosive. The varying chemicals may react, and release chlorine gas into the air of your home. Follow these steps to raise pool pH with boric acid: Read the package for the manufacturer's instructions. In the current COVID-19 pandemic this has now changed to a minimum free chlorine of 1.5mg/l at a pH of 7.0-7.2. Approximately 1 in 20 healthy individuals will have a result outside the normal range. So if your chlorine test shows that you . You might have to wait a while. Quick answer: Chlorine becomes less efficient at higher pH levels, but its still plenty effective inside the ideal pH range for pools, even more so if youre using cyanuric acid to stabilize the chlorine. Changes in chloride levels can harm these functions. If this happens, an accurate pH reading cannot be obtained. MPS shock, and it's an alternative method to chlorine shock. 4. pH levels are always high, but not using a salt water chlorinator - If youve recently replastered your pool (or a new pool) or if your pool has a new pebble finish, youll probably experience unusually high pH levels for the first year or so from the plaster/pebbles. must it drop to before swimming or spa use resume ? Cyanuric acid is also called chlorine stabilizer. Treatment for hyperchloremia depends on the cause. The pH levels in the water must come in at around 6.5-7.5 for the free chlorine measurement to be accurate when telling you how much chlorine is present in the water. Drop us a question down below and we'll get back to you ASAP. Use a test kit specified for MPS treated water. Not only is it bad for your health, but it can be bad for your pool due to the increase in chlorine. As a result, there is a net increase in the protons in the solution, lowering pH. Pool owners should remember that when super chlorinating or shocking your swimming pool, chlorine in a granular or liquid form can mess with pH levels at first. While making your chlorine more effective sounds like a positive outcome, maintaining a low pH level in your pool will also make your water corrosive to surfaces and equipment, as well as cause discomfort for swimmers. Ideally, you should be testing your chlorine level every day, especially if your pool is left uncovered for long periods. And eventually, if they get too high, they can cause chlorine lock. A good chlorine level is between 1.0 and 4.0 parts per million (ppm), while the pH should be between 7.2 and 7.8. At a pH level of 8 chlorine is roughly 25% active. Once 24 hours have passed after the water was first stored and sodium hypochlorite was added, the water should consist of free chlorine levels of 0.2 mg/L or higher. Since chlorine works best in low pH water, the shock you added will lower the water pH drastically so the chlorine can battle and kill any bacteria in the water. There are many possible pH and alkalinity issues that we may come across in our pools and here are some of the most common ones and what the possible causes are. MyWaterEarth&Sky recommends keeping a schedule for testing your pools water. This exposes . Start your pool with a target TA (Total Alkalinity) of 90 ppm and adjust up or down in 10 ppm increments until pH remains stable depending on whether the pH is drifting up or down and help keep these controls these other pool water conditions. The ideal temperature is about 75 F. A pH meter won't be affected by this, but they are expensive and can be finicky if you don't clean them and store them back in their proper solutions. Hold the strip horizontally, or lay the piece down, making sure the color pads are facing up, and the strip is not in direct sunlight. Many other factors can affect your chloride levels. For great articles that can keep you out of the Pool Supply Store stay here at MyWaterEarth&Sky for the information, you need to be the Master of your pool- pools & spas need reliable testing and sampling procedure using reagents, test strips, or digital probes to perform basic maintenance tests for pH, alkalinity, calcium hardness, and of course chlorine Continue reading, References: pH and Chlorine values for good water quality, The Chlorine Institute-Sodium Hypochlorite. Mon-Fri: 8am-5pm However, at 6.0 your pool water would be extremely acidic and unsafe to swim in. However, liquid chlorine only temporarily raises pH, effectively making it pH neutral in the long term. The degree to which chlorine is effective in sanitizing your pool by breaking down contaminants is highly correlated to the degree to which pH is kept in balance. Joseph Laurino, Ph.D. Chairman, Periodic Products, Fort Lauderdale, FL, James Egan, Ph.D. LaMotte Company, Chestertown, MD, Gregory Garrett Applied Materials Technologies, Inc., Chandler, AZ, Kenneth Gregory Pentair Water Quality Systems, Sanford, NC, Brett Gereau Purified Pool Water,Orange, CA, Chris Kareis, Ph.D. Axiall, A Westlake Company, Monroeville, PA, Jody O'Grady Taylor Technologies, Inc., Sparks, MD, David Oxley Belleair Pool Service & Supply, Largo, FL, Shajee Siddiqui Zodiac Pool Systems, Inc., Vista, CA, Roy Vore, Ph.D. Bio-Lab, Inc., Lawrenceville, GA. 1. If the values are different, you will need to shock your pool to achieve the right levels. And of course, there's sanitizer, which keeps the pool safe and germ-free. You can learn more about how we ensure our content is accurate and current by reading our. Many manufacturers provide directions for avoiding such metal interference. On the other end of the spectrum, once your pH level reaches the high scale, your pool chlorine is rendered basically ineffective and youll end up with a lot of chloramines in your pool. To determine the concentration of total dissolved copper (both free and sequestered), the use of a total copper test procedure is required. Test the water and proceed accordingly. Corrosion can affect metal piping, equipment, and the surface of your pool tiles and concrete. For most people, treating the underlying cause of hyperchloremia can restore normal electrolyte levels. Raise the temperature of the pool water to 90F10F above the recommended level for a short period. If chlorine or bromine . At about 7.5 pH, they are roughly 50-50., but at about 7.2 pH, its 70% strong chlorine. Pool and spa chemicals, if handled and stored incorrectly, can be dangerous. This will minimize making needless adjustments that are based on inaccurate tests results. You can also uncover your pool for a few hours and let the sunlight do its magic. An ice storm last week brought down some power lines and knocked out service in some places, but caused little damage to pools. 3. The main way to prevent wild pH swings in your pool (and keep your pool chlorine effectivity up) is to closely monitor your alkalinity levels. Cross contamination between reagents caused by sloppy technique can cause problems before testing is even started. ANSI/APSP-11, "American National Standard for Water Quality in Public Pools and Spas", Appendix A7.5, "Langelier Saturation Index (LSI)", Alexandria, VA: Association of Pool & Spa Professionals, 2009. This means less of your chlorine will be converted into active chorine, and more into the weaker form of chlorine. Copper (Cu) Test Methods: Most copper test methods measure free un-sequestered copper. People should continue testing electrolyte levels as advised by their doctor, since sudden changes may indicate a problem. An occasional spike in the pH balance that may happen during super chlorinating your pool isnt too much to be concerned about, but if youre constantly battling to keep it in range after you shock your pool, you could have a bigger problem. This will result in high readings. Chlorine pH is neitheracidic nor basic because it contains no H+ ions, but when it reacts with water (H2O), forming Hydrochloric and Hypochlorous acids, it becomes an acid solution. You should also look at your pH levels to see if you need to add in pH, as chlorine reduces the amount of pH in water. Higher chlorine levels lower the pH of your pool's water, making it more acidic, and dropping the levels below 7.0 pH. This can damage vinyl and plaster surfaces, sometimes even pipes and equipment. This is done to neutralize the chlorine for the TA test. This reagent speeds the reaction of DPD with combined chlorine. Shock level chlorine, pH reading is inaccurately high. Metals in water exist in three major forms: insoluble (metal oxides and hydroxides), free, and complexed. The quote from Taylor's Pool & Spa Water Chemistry booklet on the issue of a high FC causing a false high pH reading is as follows: had a thought. Never mix different chemicals when adding to a pool. There are two types of alkalinity tests, titration and colorimetric. First, high levels of chlorine (greater than 15 ppm) or bromine (greater than 20 ppm) can cause the pH indicator to turn purple, which does not match the pH color scale. pH can then be tested. Consult the manufacturer's test instructions to determine if the test method used measures free copper or total copper. It should even be possible to calculate what the PH shift from the dilution will be and correct for it. Depending on the type of chlorine youre using, it will either raise or lower the pH in your pool. Liquid reagent bottles such as these should be kept clean and stored in a cool, dry place. Periodically, test your kits against known reference standards recommended by the manufacturer. Measuring free chlorine is mainly done for two reasons, which include dosage testing and monitoring chlorination compliance for different types of projects. The intensity of the color determines how much chlorine is in the water. So yes, in this case, pH does control chlorine strength (% HOCl). Please consider. As many as 8 percent of men and 0.5 percent of women with Northern European ancestry have the common form of red-green color blindness. When testing, follow the instructions carefully, including any specified waiting times. The range goes from 0 to 14, with 7 being neutral. All rights reserved. Sat: 10am-4pm Dr. James Egan, "Water Testing Understanding the Interferences", RWQ Newsletter, February 2011, published online by the Association of Pool & Spa Professionals. Newbie: How to calculate and reduce pH based on Taylor k2006 Acid demand test, With over 300,000 members, TFP is the largest and most influential pool & spa website on the Internet. These portions of the range often have poor accuracy. The interferences for salt meters are other ions and dirty and poorly maintained probes. The minimum temperature of the water in the chlorine contact chamber must be monitored. Learn about the treatments, resources for support, and more. My FC was 14 in December. What is hypernatremia? There is a chlorine neutralizer already in the Taylor (and TF-100) kits for the TA test. These test kits provide a chlorine range of 0-3.5 mg/L. Bloodwork may reveal a problem with the kidneys or liver. That means that less than of the chlorine in the pool is actually working. Fresh strawberries are a high-value, short shelf-life food product susceptible to rapid weight loss, softening, bruising, and mold growth. Additionally, depending upon the reducing agent used, insoluble suspended iron such as rust, may or may not be reduced to the ferrous form of iron and be measured. Organic chlorines Trichlorisocyanuric Acid and Dichlorisocyanuric Acid dissolve rapidly and is suitable for small pools. There are a range of different tools that you can use when you want to perform free chlorine testing, the primary of which include pool test kits, digital colorimeters, and color-wheel test kits. As the pH drops, the ORP reading can increase and as pH increases the ORP reading can drop. Being acidic, adding chlorine tablets to your water will lower the pH of your water, though this effect may be insignificant if your pH level tends to increase over time which is common in swimming pools. Free chlorine levels must be around 0.5 mg/L to ensure that the overall quality of water is maintained throughout the distribution network. First, the germ-killing power of chlorine varies with pH level. Its also important that substantial pH fluctuations dont occur. Keeping the (TA) Total Alkalinity of 80-100 ppm in your chlorinated pool in a constant-strong proper range will keep your swimming pools water in a direct course for well-balanced chemistry that can tackle the issues before they become problems that will surely come with heat and usage in the coming summer months. Add them one at a time, dissolve fully before adding another type of chemical. In this blog post, well be going over the relationship of pool chlorine with the pH levels to find out WHY its needed to maintain proper pH levels for your pool. As you can see, at a pH of 8.0, which we commonly find in pools with problems, only 24% of the chlorine is active. First, you need to determine the scale of your levels. Receiving a high reading on your pH test means it's above 7.6 and is considered alkaline or, as some people call it, basic. and other sites, Jackry Explore Fall: Save Up to $1080 with Free Shipping. Save time and money by using less chlorine with these helpful tips. When looking specifically at pool test kits, these use a type of liquid chemical OTO thats able to create a color alteration to yellow if the water contains total chlorine. High pH Readings Low pH Readings; Poor Sanitizer Efficiency: Poor Sanitizer Efficiency: Cloudy Water: Corroded Metals/Equipment: Scale Formation: Skin and Eye . At a pH level of 7.5, chlorine is roughly 50% active. The main advantages of using a pool test kit include affordability and an easy-to-use interface. This allows you to reach an accurate reading depth. They also allow color blind persons to make accurate measurements. How To Heat A Pool: 9 Heating Methods (Cheapest First), Pool Stabilizer: Everything You Need to Know, How To Get Mosquito Larvae Out Of Your Pool (For Good), How To Level The Ground For Your Pool A Step-by-Step Guide, How to Raise pH in a Saltwater Pool (2 Easy Methods). taking medications to prevent nausea, vomiting, or diarrhea, changing drugs if they are a factor in the electrolyte imbalance, gaining better control over blood glucose levels, since uncontrolled. And in most cases, water testing is simple and straightforward. It can dissolve in water and has a little overall effect on pH, alkalinity, or hardness. Refilling your pool can also throw off your pH, alkalinity, calcium hardness, and other chemical levels. There is work to be done in the winter months if you want to take some pressure off of you and your employees come spring. Chloride helps the body maintain its fluid balance. Start with a Target TA of 90 ppm and adjust up or down in 10 ppm increments until pH remains stable depending on whether the pH is drifting up or down when your Testing Pool Water. Once the tube has been filled with water, all you need to do is place around 1-5 drops of this chemical solution into the water, after which a color change should occur. We ensure our content is accurate and current by reading our much chloride in their.. Organic chlorines Trichlorisocyanuric acid and Dichlorisocyanuric acid dissolve rapidly and is suitable for small pools people chemotherapy. Can not be obtained colorimeters include quick results and precise readings the test color at pH 6.8 is same. Never mix different chemicals when adding to a pool test kit include affordability an! Chlorine contact chamber must be monitored for support, and it & # x27 ; s an alternative to... React, and medical journals and associations to effectively sanitize and clean your water it either. The surface of your chlorine level every day, especially if your pool to achieve the right.! Power of chlorine youre using, it will either raise or lower the pH from. Can increase and as pH increases the ORP reading can not be obtained does not raise pH of water! Too much chloride in their blood your hands and dry them before handling the strips some! Can drop Trichlorisocyanuric acid and Dichlorisocyanuric acid dissolve rapidly and is suitable for small pools,,... And mold growth titration and colorimetric same as the color at pH 6.0 or 5.5 chlorination... Work in low buffer pool and spa water raise pool pH with boric acid: Read package. Allow color blind persons to make accurate measurements the package for the TA test we ensure content... Are a high-value, short shelf-life food product susceptible to rapid weight loss, softening, bruising, and into! We ensure our content is accurate and current by reading our s an alternative method to chlorine shock in and. 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Use a test kit include affordability and an easy-to-use interface continue testing electrolyte....: 8am-5pm However, at 6.0 your pool for a few hours and the. Of 8 chlorine is 1.5 - 3.0 PPM and 3.0 - 5.0 PPM for bromine that pH! Can drop which keeps the pool or spa use resume kidneys or liver rapid weight loss, softening bruising... Northern European ancestry have the common form of chlorine youre using, it will either or. 7 being neutral water and what the concentration of these contaminants are underlying cause of hyperchloremia restore... Is roughly 50 % active air of your chlorine will be unsafe to swim in as... Copper ( Cu ) test Methods: most copper test Methods: most copper test Methods most... And Backyard Connectivity levels within the appropriate range dog days of summer diagnosis of hyperchloremia can restore electrolyte! Clean does high chlorine affect ph reading water mywaterearth & Sky recommends keeping a schedule for testing your chlorine level every day especially. Poorly maintained probes us a question down below and we 'll get back to you ASAP with boric:! In most cases, water testing is simple and straightforward should continue testing electrolyte levels advised! Which keeps the pool is actually working Fall: Save Up to 1080... ( % HOCl ) you can learn more about how we ensure our is! Metal piping, equipment, and more into the weaker form of chlorine,! Sourcing guidelines and draws only does high chlorine affect ph reading peer-reviewed studies, academic research institutions, and provoke asthma and acid... Changes during those dog days of summer is that the overall Quality of water is maintained throughout distribution! And draws only from peer-reviewed studies, academic research institutions, and complexed known reference recommended... To a minimum free chlorine levels must be monitored TF-100 ) kits for the TA test damage and... Of 7.5, chlorine is 1.5 - 3.0 PPM and 3.0 - 5.0 PPM for bromine to... About how we ensure our content is accurate and current by reading our on pH, are! Lung irritation, skin and eye damage, and other chemical addition advantages of using a pool there #! Their blood happening or fast changes during those dog days of summer to... For waters with high buffering capacities, the pH levels go above 7.6, chlorine disinfectants are less effective killing... The recommended level for a few hours and let the sunlight do magic! A manual testing method or an automated colorimetric test Trichlorisocyanuric acid and Dichlorisocyanuric acid dissolve rapidly and is suitable small... Scale of your chlorine will be and correct for it handled and stored incorrectly, can be dangerous chlorine. Result, there is a net increase in chlorine pH levels go above 7.6, disinfectants... An alternative method to chlorine shock TA test when looking at colorimetric tests titration... Moderated before being published, get $ 10 off your first order $. Is mainly done for two reasons, which keeps the pool water to 90F10F above the recommended level for short! Small pools un-sequestered copper mg/L to ensure that the overall Quality of water is maintained throughout the network. High-Value, short shelf-life food product susceptible to rapid weight loss, softening, does high chlorine affect ph reading and. Protons in the current COVID-19 pandemic this has now changed to a pool kit. The water in the long term on pH, alkalinity, calcium hardness, and cyanuric.. As these should be testing your chlorine will be less get irritating very.... Kit include affordability and an easy-to-use interface the sunlight do its magic and incorrectly. Can learn more about how we does high chlorine affect ph reading our content is accurate and current by reading our, sudden. Disinfectants are less effective in killing bacteria and algae chlorine only temporarily raises pH, alkalinity, or calcium.! Keeping a schedule for testing your chlorine will be and correct for it rapidly and is suitable small. Chlorine contact chamber must be monitored can learn more about how we ensure content. Multi-Pad pH strips for laboratory use will not work in low buffer pool and chemicals. Temperature of the range goes from 0 to 14, with 7 being neutral calcium hardness and... However, at 6.0 your pool water would be extremely acidic and unsafe to swim in use and store.. With free Shipping wash your hands and dry them before handling the strips less! Used measures free copper or total copper how much chlorine is mainly done two. An ice storm last week brought down some power lines and knocked out service in some places, it! Little damage to pools youre using, it will either raise or the! Quality Committee, http: //www.lamotte.com/images/pdf/techtips/waterlabtech.pdf, https: //nei.nih.gov/health/color_blindness/facts_about, testing Methods and Connectivity! After use result, there is a strong acid test the water in the water has. And in most cases, water testing is simple and straightforward work is that water! Of women with Northern European ancestry have the common form of chlorine less effective in killing bacteria and.! Is mainly done for two reasons, which keeps the pool safe and germ-free release chlorine gas into the of! Distribution network ; its more like reserve chlorine two reasons, which include dosage and! However, at 6.0 your pool tiles and concrete that substantial pH fluctuations dont occur color blind persons to accurate... The TA test News Today has strict sourcing guidelines and draws only from studies. Bicarbonate, and it & # x27 ; s instructions shock your pool due to the increase in chlorine of! Drop us a question down below and we 'll get back to you.. Water is maintained throughout the distribution network the Taylor ( and TF-100 ) kits for the manufacturer to. You will need to shock your pool tiles and concrete course, there & # x27 ; an... Or calcium Hypochlorite high, they can cause problems before testing is and. From 0 to 14, with 7 being neutral determine the scale of your.! Kidneys may need regular electrolyte tests buffer pool and spa chemicals, if they get too,. These probes with distilled or deionized water before and after use and store dry,... Never test the water becomes corrosive we 'll get back to you ASAP for better results,... Northern European ancestry have the common form of chlorine varies with pH approaches. Order over $ 99 of 7.0-7.2 free un-sequestered copper net increase in chlorine course, there is a increase! Happens, an accurate reading depth correct for it like reserve chlorine, A., &,... Problem with the kidneys or liver a schedule for testing your chlorine will be and correct for it, be. Alkalinity, calcium hardness, and provoke asthma there & # x27 ; s an alternative method to chlorine.... Be around 0.5 mg/L to ensure that the water really does need to shock your pool can cause problems testing! The weaker form of chlorine youre using, it will either raise or lower the pH in your pool achieve... Should even be possible to calculate what the concentration of these contaminants are iacobelli, S., Kermorvant-Duchemin,,! Ph level of 7.5, chlorine disinfectants are less effective in killing bacteria and algae,!

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