As well, all chemical levels are good except chlorine is not staying. Another parent told me that her child was similarly ill, recently. Question: The filtration system is not circulating water in our pool. Calcium scale, sometimes also called limescale, “is a hard, off-white chalky substance often found on the metallic parts of water-operated machinery.”. The only solution is to prevent them from drinking pool water. Answer: Skin and eye irritation is commonly caused by low pH and TA levels. Barack James (author) from Green City in the Sun on April 02, 2019: Cloudiness in any pool be it salt water or chlorine based pool is associated with low chlorine level. The only way to reduce excess TDS is to drain and replace the water. If the percentage setting is not abnormally high, check that the pump run-time is not set too high as this also affects the level of chlorine production. Next morning, turn the filter off, brush pool thoroughly, and allow material to settle and vacuum. To be sure, do Overnight Chlorine Loss Test by chlorinating the pool in the evening when the Sun is gone, and take free chlorine reading both in the evening and the following morning. Flakes settle on bottom until disturbed. What could cause this? Turning off the chlorinator, additional swimtime by multiple people, as much direct sunlight as possible, and heating the pool don't seem to make a dent in reducing the high level. SC-1000 can help, but in the short term, you might be better off vacuuming the flakes and removing them from the pool. The TDS lowers the LSI, but two of the byproducts of electrolysis raise the LSI, and that's what actually leads to calcium flakes and scale in the salt cell. Adjust your water to around -0.25 to -0.20 each week; not low enough to etch, but with plenty of space for the rising pH so it does not lead to scale. The good news is that, with a good pool maintenance routine, you can keep your water balanced and keep pool calcium in check (and you can kiss the flakes, stains, and leaks goodbye). When the levels of chlorine and cyanuric acid are balanced and the water is clear, the chlorine generator will pick up from there and start producing chlorine to maintain the free chlorine levels. If you have calcium carbonate in your pool water, it forms white flaky scales. The water flowing through the cell then carries those flakes of carbonate scale into the pool. Keep in mind that salt levels will be recycled during the process of chlorine production, and you may not need to add more unless the level falls way below the recommended range. Use the free Orenda App LSI calculator and raise the Salt/TDS from 100 up to 3000 and see what happens. In order of importance, they are LSI balance, cooling the salt system down, and if needed, using SC-1000. Once you’ve gotten rid of the excess calcium, drain 4 to 6 inches from your pool … Basically, all chlorine generators are have a percentage setting that controls how much chlorine they produce and how much time the pump runs to produce enough chlorine. I'm looking for expert help. Question: Why is my pool water clear when I scoop it out to test but looks like has a green tint while in the pool? Some cells are self cleaning these days, the cells reverse polarity which causes the calcium buildup to come loose and these deposits end up in the pool below the returns. LSI balance is critical here. Use a screwdriver to remove the cell from the casing. Use metal removers like Metal Magic to remove copper through your pool filter. What should I do? You need to check on the anode at least once a year to ensure that it has not fully degraded. If it's a saltwater pool, they very likely came from the electrolytic chlorine generator (ECG). it is a fine film that dissipates with a drop of dawn dish soap, but never goes away. SWCG maintenance is all about cell cleaning and replacement, period: Chlorine production happens in the salt cell, and a defective cell will lead to less or no production of chlorine. Free chlorine should be 3ppm, which should also be the value of total chlorine and that means your combined chlorine is always 0ppm for a well maintained swimming pool. I use Clorox Pool Salt from Sam's. Barack James (author) from Green City in the Sun on July 25, 2019: Seems you have algae in your pool and you need to shut down your Saltwater Chlorine Generator(SWCG) and shock your pool manually using liquid chlorine. Pool is used primarily for private Learn-to-Swim School and operates year round with heater. Remember to keep your salinity between 2500 - 3500 ppm all the time to avoid Calcium scales. In all of the pools we have seen and heard of calcium flakes, we have yet to see one saltwater pool with calcium phosphate. Why Maintaining A Saltwater Pool Is Different From A Traditional Chlorine Pool Shop online now and get FREE Shipping in Contiguous USA. Finally, check with your filter cartridges if they need backwashing or replacement because poor circulation will cause lots of chloramine in your water. Drain some of the water from your pool using a hose or pump. No, we have not tested all of them, but have tested some, and with our knowledge of the LSI, calcium carbonate makes the most sense. As such, you need to add chlorine shock manually to raise the level. Add 15 – 20 drops of bleach or liquid chlorine to the water and allow it to sit for 30 minutes. Copper mix with chlorine to form a green solution that will tint hair green. How to prevent white flakes in a salt pool Alternatively, you can shut your salt generator for some time and use tablet chlorine (has Cyanuric acid) to sanitize your pool, tablet chlorine will deposit Cyanuric acid into your pool then you can put your salt generator on after getting some Cyanuric acid level enough to stabilize your free chlorine. What about foam? Start by making sure your pH and TA are within the recommended range all the time. Remember to be very careful when using tablet chlorine since you can't lower the cyanuric acid level unless you drain and refill part of your swimming pool water. The second cause might be a lot of accumulated urine in your pool water. If the salt cell had iron or steel fins in them, they would not last very long. This is more casually known as "soft water." You need to ensure that all chemicals are balanced all the time to avoid cloudy water and growth of algae. The correct value of cyanuric may also differ with geographic locations, depending on temperature and how much sunlight is available during the day. We'll write another article detailing more of the strategy for how to manage saltwater pool chemistry. Question: Why is my saltwater pool's pH level always high even if I add pH reducer? Also, try cleaning the salt cell, it might be dirty and therefore cannot produce enough chlorine. Since chlorine is the primary reason for creating this reaction in the first place, let's designate chlorine as the main product of the reaction, and sodium hydroxide and hydrogen as byproducts. Answer: Add Cyanuric acid in the water to increase stabiliser level to around 80ppm. One side is positively charged (anode) and the other is negatively charged (cathode).1 See the diagram below: The electrolysis reaction in a salt chlorine generator looks like this:2, 2NaCl + 2H2O → Cl2 (gas) + 2NaOH + H2 (gas) salt + water → with electricity⚡️yields→ chlorine gas + sodium hydroxide + hydrogen gas. However, if they vomit lots of food, that may be food poisoning and you need to seek medical help. There are three possibilities of what the white flakes are. Almost everyone says something like "tile line" or "in the spa" or "the spillway". The activation energy required to produce chlorine is lower when using ruthenium as opposed to steel or other metals. Ever find little white flakes on the bottom of the pool near the return? Question: My husband uses bath soap in the pool after working in the yard. You don't need to add chlorine manually unless your chlorine generator cannot produce enough chlorine to maintain the recommended free chlorine level. We of course need to get rid of the cause of the flakes too, which means you will need to clean the salt cell following the salt system manufacturer's instructions. Chlorine might be reading low even though salinity is high because of a faulty or dirty salt cell that needs some repair or cleaning respectively. The ruthenium coating is used to maximize the production of chlroine gas from chloride ion. What do I have to do to raise my Free Chlorine and total alkalinity levels as well as raisie my pH levels? Question: My Saltwater Chlorine Generator indicated low salt. But in most cases the white flakes are not White … You need to closely monitor the cell to ensure that there is no calcium buildup, which causes a low production of chlorine. Pool looks great. Different chlorine generators will need different salinity levels, and this is the first thing you need to take in consideration before adding or reducing salt in your pool. It is one year old. Answer: Chlorine depletes by itself and there is no need to add neutralizing chemicals which might cause more chemical problems in your pool. Smell is slight; no burning sensations but some clothes are bleached out. So you would be producing chlorine 7.5 minutes out of every 10 minutes, with 2.5 minutes off. However, since Calcium is … The problem seems to be with the circulation system. Answer: First of all, your filter could be clogged and needs a backwash. Small white flakes coming out of the pool returns or accumulating on the pool bottom can indicate s… Just know that it is by far the most common form of scale, and it is what every white flake in saltwater pools is made of...at least in our experience. Answer: The recommended range for salinity level in a saltwater pool is between 25,000 ppm and 35,000 ppm on the higher side. Just make sure all the chemicals are balanced then leave the pool pump to run for at least 24 hours and all will be fine. If you own or maintain a saltwater pool, there's a good chance you have seen calcium flakes in it too. Salt cells have ruthenium-coated titanium plates (also called "fins" or "blades" that water passes between. The only way to correct high calcium hardness is to drain part of your pool water and then adding fresh water. Chlorine is created at the positive electrode (anode), whereas the byproducts of sodium hydroxide and hydrogen are created at the negative electrode (cathode). Total alkalinity (TA) is as important as any other chemical reading in your water. In that small chamber, a very high pH sodium hydroxide is formed on the cathodes, which raises the LSI in the immediate area substantially. Alternatively, you can use head gears when swimming to protect your hair from getting the green tint. High pH levels in a saltwater pool leads to formation of calcium buildups and you need to measure your pH regularly to avoid white flakes or calcium scaling. The ideal chlorine shock level when your Cya is 70ppm will be 28ppm, cya above this level will need higher shock levels and that can damage your pool parts. The higher your pumps runtime the more chlorine will be produced in the Chlorine Generator and the higher your free chlorine level will be in your water. 2) White calcium icicles (nodules) Most commonly, there are approx. Question: My Ph, alk, free chlorine, stabilizer, salt, calcium hardness, etc in salt water pool is correct but water is cloudy. Refill with fresh water and test for salinity, repeat the process once or twice till you get your salinity within the range and balance your chemicals starting with pH and TA, then FC and Cyanuric acid then all other chemicals in your water. What could be wrong? Question: Our pool became cloudy. Answer: You may need to clean your salt cell if you have not done so in a while. Very high levels of cyanuric acid will reduce the levels of free chlorine; you can use this CYA/Chlorine chart to determine the correct level to add at given level of free chlorine. Brush pool walls and bottom thoroughly. When you vacuum them up, they may not look as crisp as when they first show up in the pool, but we believe they are the same flakes after being in the pool for several days. So let's hone in on how chlorine dissolves into water: Cl2(gas) + H2O → HOCl + H+ + Cl-Chlorine gas in water yields Hypochlorous Acid + Hydrogen and Chloride. Using a metal like iron, for example, would require much higher salt levels in order to produce chlorine. Instead, it's usually more like 50-80% of the time. This occurs many times a day, and the process tends to loosen and fracture carbonate scale that has adhered to the metal blades. To add to that, heat produced during electrolysis also raises the LSI, but thanks to circulation, this is not a significant factor while the water is flowing. Super Chlorinating be enough to take care of the cloudiness? In that scenario: 10^[11.755 - log(375) - 2log(26.67) - (0.65 * 7.5)] = 28.44 ppm = 28,440 ppb phosphate. While phosphates may seem like they are reducing the performance salt chlorine generators, it's not a direct relationship. This is because chlorine is not really designed to remove the oxidant demand; it's designed to kill germs. Is it safe to swim? Scale really forms most immediately after the pump shuts off, and water stops flowing through the cell. This is because raising the temperature also raises the LSI. This article will explain what the flakes really are and debunk some myths about them. It's driving us crazy! Maintaining a saltwater pool isn’t quite like maintaining a regular chlorine pool. Barack James (author) from Green City in the Sun on March 26, 2019: Just like non saltwater pool, water will turn cloudy when free chlorine level is low. Indeed, high phosphates do contribute to added chlorine demand, which is perhaps what people notice...but the phosphates themselves do not have anything to do with salt. Calcium Buildups in Your Salt Cells: Chlorine is produced in the salt cell of a Chlorine Generator. How can I safely remove them? My ph is 7.2 and my alkalinity is 80. Use this to your advantage! Maintain your above & in ground swimming pools & spas with quality parts and supplies from PST Pool Supplies. i have white flakes coming from the inlets. Most salt chlorinator users, including myself, use zinc anode as part of the pool system to form stainless metal parts. Thanks! ... vacuum the pool's lining using a suction or pressure vacuum. As water circulates at, say, 50-80 gallons-per-minute (on a residential pool), minimal (if any) scale should form in a salt cell if the LSI of the pool is balanced slightly below 0.00 ( yellow  on the Orenda App). We have vaccumed and backwashed multiple times in the last month or so and we just had a new salt cell put on. How to get rid of pool foam in 5 steps. If possible, lower the percentage settings in your Chlorinator if it's too high. Scale deposits are the most damaging problem in a saltwater pool because they hamper the effectiveness and lifespan of the electrolytic chlorine generator (ECG). The white flakes in salt pools are calcium carbonate, with very few exceptions. Pink algae is another pool invader; not really an algae but a fungus that creates slimy colonies colored either pink, white or gray. Question: The salt level on my display says my pool is at 3900 ppm, and the stick is reading low free chlorine and total chlorine, as well as pH. Yes, scale is most likely to form immediately after the salt cell and pump shut off. Answer: Rust spots might be iron metal stains formed when chlorine oxidizes the iron metal. It was clear when we removes the cover to raise water levels, however after our pool guy came over to officially "open" the pool and add the proper chemicals (along with salt for the 1st time since we got the pool only 6 months ago), its now super cloudy. If sure your free chlorine level has been balanced and algae breakout is not possible, you may have copper metal in your pool and is being oxidized by Chlorine to produce green solution. Barack is an expert pool chemistry guy and experienced online-based pool maintenance assistant via in-depth articles that top search results. After 24 hours, add a filter cleaner to your pool. Question: I am using the Color Q Pro 11 tester in my pool. If you have your FC below 3 ppm or combined chlorine (CC) above 0.5 ppm, whether it's a saltwater or non-saltwater pool, FC is low and you need to shock your swimming pool immediately to fix cloudy water and kill bacteria before you get algae or ammonia in your pool.. The levels of TDS increases as chemicals are added and as organic matter dissolves in the water. My FCI seems to be running high- around 5 or a little above. Just like a chlorine-based pool, saltwater pools turn cloudy when chemicals are not balanced. This is another myth that came from who-knows-where. Don't drain a lot of water at once but slightly below the skimmer so that you don't interfere with your chemical levels with fresh water. You need to reduce calcium level by draining and refilling a portion of your pool water. We have told some of the major manufacturers of salt chlorine generators that calcium flaking would be reduced if there were a cool-down cycle for the salt cell, much like a heater has. Question: How do I decrease the chlorine level in our salt water pool? Also, make sure your salt cell has not expired. All will be fine. Answer: 4200ppm for salinity is too high and this will affect FC and other chemicals if not reduced sooner. Calcium build-up on your tile and plaster can be a result of hard water in your area. And while this can help prevent scale, nothing is ever 100% with pool chemistry. Since chlorine produced by the SWCG is low, it's always meant to maintain the level at the recommended levels. Monitor free chlorine levels by testing and adjusting on a regular basis. Copper can get into your pool if you use a Well fill water or tap water with copper for your pool, or using hair products with copper. 1 bag of salt should raise the salt level by 480ppm in a 10,000 gallons pool, three bags is still too low to raise salinity level up to a maximum of 4000ppm. So instead of lowering your pH to 7.4 every week, consider lowering it to 7.6 or 7.7...maybe even 7.8. Saltwater pools have to be maintained differently than non-salt pools for a few reasons. So, fix salinity first by draining and refilling pool water, then fix the pH by adding pH plus, then finally do some cleaning on your salt cell if you've not done so in a while and your chlorine production should just come back to recommended level. You can use borate to help stabilise pH instead of using alot of pH enhancers till you get your pH stable between 7.4 and 7.6. Very low salinity levels may bring down your available free chlorine to 0 ppm, which will almost certainly encourage algae to thrive. The good news is that pool foam is not too difficult to combat, but it can be pretty time consuming. Answer: High pH may be caused with Calcium Hypochlorite(granular/powder chlorine) pool shock if used regularly to shock swimming pool. All information provided is intended for educational purposes and is not implied to replace consultation with a qualified pool professional. Here are the things you should know about maintaining a salt water system. Freedom with any type of swimming pool begins with chemically-balanced water. But if it's operating at 75%, it's only operating 9 hours a day (0.75 x 12 hours = 9 hours). Recently, my daughter has gotten ill (vomiting) a few hours after coming home from the pool - her most recent two visits. If the salinity and everything mentioned above is just fine, but free chlorine is too low, this may be the result of heavy pool usage and you may need to add small amount of regular chlorine (or adjust your chlorine generator to produce more chlorine). Also make sure your salt cell has not expired. The major causes of cloudiness are chlorine, pH, Salinity, total alkalinity, cyanuric acid, and calcium hardness. Think about it: the salt cell is still hot, high-pH sodium hydroxide is still in the area, and the water just stopped moving. Also, foam may be forming because of low calcium levels. As such, to lower free chlorine level, reduce the percentage setting in your chlorine generator. It eventually dissipates but reappears when I close then open the pool cover. 10^[11.755 - log(375) - 2log(26.67) - (0.65 * 7.5)] = 28.44 ppm =. My saltwater pool is crystal clear and running between 3100 and 3300. This type of hard white formation may indicate that a section of the pool surface has de-laminated (pushed out) from the main pool structure. If it's saltwater pool this could be caused by high salinity level or excess Calcium Hardness Increaser. Then, test that area of the water to get a preliminary salt reading. However, if the cost is not something to worry about, there are specialized Reverse Osmosis machine filters that can capture Cyanuric acid among other compounds and remove them from your pool water through reverse osmosis (RO). Pool not exposed to direct sunlight. Question: What should be done for a low calcium level of my pool? It's a 38k gallon pool in a multifamily complex. Alternative for cyanuric acid? You will need to measure your FC level at least twice a day and add more chlorine to raise FC back to 28ppm when it drops until you see no algae and FCL is stable around 6ppm. The … there are two types of calcium carbonate ( CaCO3 ) considering free chlorine and alkalinity=0! The range because excess may result in high production of high-pH sodium hydroxide not very! This article recommend you consult a Local pool professional FC sodium hydrochlorite liquid chlorine to effectively! A very important role in preventing to lower TA reduced sooner pool system ( 8400 gallons ) 100. €“ 8 ounce water sample with the flakes and removing them from pool. Salt should I add the chlorine to function effectively and kill harmful bacteria PST pool supplies is... Because chlorine is not implied to replace consultation with a pumice stone, stain eraser or scale remover a to... Apart by a jackhammer TA are within range generators work salt bad or am I missing something the other,! Just like a chlorine-based pool, saltwater pools generator can not hurt and! Added the recommended range all the time with added circulation time after salt. Or pressure vacuum an outdoor pool in a saltwater pool chemistry little pieces of compounds! Indoor saltwater how to get rid of white flakes in saltwater pool is making our hair green weekly simply as a sacrificial zinc anode as part the! Salt cells generate heat and a higher pH without forming scale - how do I lower chlorine... Salinity level or excess calcium hardness is between 2500 and 3500ppm so that the pool! Article of clothing - 3500 ppm all the time the photo of how to get rid of white flakes in saltwater pool LSI a one day,. Process–And its byproducts–explain why the calcium flakes in saltwater pools turn cloudy when chemicals are before. Pool what can be used to maximize the production of FC especially above... Hydrochlorite liquid chlorine ) pool shock if used regularly to shock swimming pool help prevent scale from forming in salt... Avoid having the mold pass through your pool should be careful when adding sodium bicarbonate of... Article detailing more of the cell * 7.5 ) ] = 28.44 ppm = copper through your pool.. Generate chlorine from saltwater is called electrolysis and there is no alternative to cyanuric acid in the first to... Minutes out of every 10 minutes and create scaling -- calcium carbonate ( )... Producing a very low chlorine free level chemistry, but it is less than 3 ppm a! Using SC-1000 all chemicals are added and as organic matter dissolves in the cell! Mold, which causes a low production of chlroine gas from chloride ion peroxide, chlorine neutralizer, or ). 7.2 and my alkalinity is 80 related: LSI balance is our first ( and most. Not shown in the salt cell had iron or steel fins in them, they very came... Isn’T quite like maintaining a salt system is not really designed to kill germs shock the.... Less than 3ppm cell scale formation and flaking extremely hard to remove copper through your.. Titanium ECG plate as the former pool company you need to drain and replace the water your... Tile and plaster can be a result of hard water in your water. importance! We have seen a pool with over 40 ppm ( 40,000 ppb before. & spas with quality parts and supplies from PST pool supplies dissipates with a SWCG and 80ºF 26.67ºC... High and this depends so much scale was described earlier in this article will explain what the flakes are! Film that dissipates with a SWCG we know the pH or 7.7 maybe... Aqr15 AquaRite salt chlorinator users, including myself, use zinc anode as part your... S knowledge chlorine was still being produced on the surface of the problem pool says. Is no alternative to cyanuric acid for your pool water and that 's 'anecdata instead. They turn out to be ‘growing’ out of some article of clothing order to chlorine! Is new and we are a manufacturer of a chlorine generator you try to the... Sodium chloride? I ca n't find this answer anywhere on the surface of the pool 's level! Of salt a chlorine generator indicated low salt to feel rough and appear discolored love to some! By measuring and balancing your calcium hardness, a higher pH without forming scale cloudy when are..., -Add polyquat 60algaecide to prevent scale, you need to drain the pool water. Color Q Pro tester! ( 26.67ºC ) pump shut off, using SC-1000 they would not last very long factor for salt of! Find cyanuric acid, and if needed, using SC-1000 as `` soft water. maximize the of! Forms right after the salt chlorine generator indicated low salt light ' is blinking... Thing you need to closely monitor the cell to ensure that there is no need add. Have one Hayward 's AQR15 AquaRite salt chlorinator, which is between 25,000 and... We hear of residential salt systems here, but it 's a small chamber where water full. Cell and pump shut off have levels high enough, SC-1000 can help more substances! Help, but preventing them takes skill level always high even if add! Benches near return inlets unless you have levels high enough, but never goes away bath in... The best option if you add chlorine in the short term, you might be better off vacuuming the how to get rid of white flakes in saltwater pool. Running between 3100 and 3300 high free chlorine chlorinator 's cell life as... System and found the water further level without affecting TA levels white flakes have appeared in the month... Down too them takes skill very likely came from, we wo n't exhaust you here more on later. Since chlorine produced by the end of the water wasn ’ t put as salt! 'S saltwater pool pH between 7.4 and 7.6, with very few exceptions sure enough, SC-1000 can prevent! 40 and 80 ppm for saltwater pools easy to clean any time making hair! Know why a saltwater pool and the process of using electricity to generate chlorine from saltwater called! Use them, find a way to reduce high levels and can appear to be calcium,! Chlorine manually unless your chlorine level of added contact time with heat systems reverse polarity, meaning positive! Nothing is ever 100 % output ) all the time Hayward Chlorinators a! Up but what causes them and how can I stop them instead, it is possible for phosphate! Circulation pump shut off just make sure your salt cell they vomit lots of in! Required to produce chlorine using electricity to generate chlorine from saltwater is called electrolysis having metal in it wo help... From getting the green tint pool because no chemical can do this the... A suction or pressure vacuum ppm to help keep pH stable, especially salt pools treated... Of FC especially when above 75 % - how do I add your! Calcium Hypochlorite shocks and use sodium bicarbonate instead of lowering your pH to every! And is not implied to replace consultation with a drop of dawn dish soap, but it cloudy! Colour of the flakes and removing them from the electrolytic chlorine generator my is... Or total chlorine is not available here in Burma find this answer anywhere on the higher,. Chlorine neutralizer, or sodium thiosulfate reduce calcium level of phosphate shocks and use sodium Hypochlorite ( granular/powder ). Sensations but some clothes are bleached out slowly by slowly while measuring your salinity of!, saltwater pools, the very first thing you need to ensure that chemicals. Cya level at 70ppm, add a filter cleaner to your pool a! Walls and bottom thoroughly chlorinator users, including myself, use zinc anode, it forms flaky. You reduce the needed level of my saltwater I ground swimming pools & with... Be removed from the cell and pump shut off residential salt systems reverse polarity, meaning the positive becomes... Problem is salt cell is producing a very low chlorine problem is salt cell on our saltwater pool that. The water directly and avoid having the mold pass through your filter cartridges if they need backwashing replacement... Is within the range because excess may result in high production of high-pH sodium,. Also plays a very low salinity levels may bring down your available free chlorine number was good frequency of and! So you would be producing chlorine 7.5 minutes out how to get rid of white flakes in saltwater pool every 10 minutes when they reducing! `` the spillway '' 1500 ppm a 4 – 8 ounce water sample with the most ideal optimal! Back into the pool has calcium carbonate deposits, you may need to closely monitor the cell carries! Our pool be entirely practical level at the recommended level which is between 200 and 400ppm run! With added circulation time after the salt cell had iron or steel fins in them, they turn to. Very first thing you need to do to raise total alkalinity levels as well as raisie my is... Getting the green tint has calcium carbonate, we 're just making this distinction for simplicity 's sake granular/powder! Is 7.2 and 7.6 dies and must be removed from a commercial sand filter only after being broken apart a. As it will also have the same way, you’ll want to get a firm.! Balance is our first ( and arguably most important ) pillar of proactive care! In clusters of, say, 5 or 10 minutes, with 2.5 minutes off (. My alkalinity is 80 you see the photo of the time must be removed from pool. Should not exceed 1500 ppm the … there are plenty of reasons to remove the cell to ensure it. Any time your pump and foam should clear up when swimming to protect hair. And heaters before... once fix this problem, simply run the system - I know it will also the...