How To Fill A Saltwater Pool For The First Time. Adding calcium to your pool will increase the calcium level right away. This needs the services of your pool pump. If you are not too sure about the right depth then read the instructions given on the kit and do as suggested by the manufacturer. Pool water with high or low calcium hardness is harmless to swimmers but might be damaging to your pool itself. This confusion is found even within the swimming pool industry. Why is Raising Pool Calcium Hardness important? Calcium hardness is the measure of how hard or soft your pool water is and how much calcium is dissolved in your pool water. All you need to do is take out some amount of hard water from your pool and replace it with the softened water to balance the hardness of remaining pool water. As an example, the heat exchanger for my pool heater is $1,400 USD to purchase, plus an afternoon of $100/hour labor to replace the unit, so a little testing to make sure my water is balanced goes a long way to prevent very costly repairs. its calcium hardness drops below 150 ppm) it becomes corrosive. How To Put Chemicals In Pool For First Time? High calcium hardness levels can start to cause buildup or scaling on hot tub equipment. Balance refers to three component levels: pH, total alkalinity (TA) and hardness. Along with pH and total alkalinity, the third important measurement of water balance in a swimming pool is the amount of dissolved calcium.This measurement is usually called the "hardness" of the water — high calcium levels indicate hard water; low levels are "soft" water. You need to make sure that if you already tested pH and alkalinity, and have added sodium carbonate (soda ash) or sodium bicarbonate (baking soda), you need to wait several hours to make sure these dissolved into the water before adding calcium carbonate to raise the calcium hardness level. How to Lower Hardness in a Pool. If your calcium hardness is too low, it can be increased by adding calcium chloride from your pool shop. The check on the hardness can be done easily with a dip test. You need not worry if the result is anything between 200 and 400 ppm. Determine how much calcium chloride solution needs to be added to your pool water to increase the water hardness and bring it within the optimal hardness range. Now is the time to mix the water and the added solution. Such a supply is a very easy and convenient method of reducing the hardness of pool water since you don’t need to wait any longer. On the other hand, if the calcium hardness is too high, then we suggest pumping out some water from the pool and replacing it with tap water as mentioned above. Calcium hardness is the amount of calcium dissolved in the pool water and the measurement of how hard or soft your water is. Now you can take out the test strip and let it settle for a few minutes. What makes your calcium hardness low? Grout dissolving, turning gritty and fragile when you run your finger over it. Scaling. Adding calcium chloride is the most common way to raise swimming pool water hardness. Unless you intentionally add these minerals back in to the pool, the water will dissolve what it needs from any part of your pool that contains concrete, stone, grout, or masonry, or any metal surface in your pool or pool equipment. Keeping calcium hardness in balance is one of three important water balancing steps. The perfect calcium hardness level should be at 150 – 400ppm, ideally getting it between right in the middle of that range. The ideal range for calcium hardness in swimming pools is 150-400 ppm (parts per million), so if you try to keep your calcium hardness in the midpoint between those two limits, then you should be fine. Clear and Balanced Pool Water All Summer With No Headaches! The right calcium hardness level depends on the kind of pool you have. Whenever you have a low pH level in your swimming pool or spa and a total alkalinity that is also low, a low calcium hardness level can disrupt the equilibrium of the calcium carbonate in your pool … Finally, your Calcium Hardness is too low: If you have a plaster pool, you need to keep calcium hardness between 250 ppm and 350 ppm and do it as soon as possible to avoid dissolving calcium out of plaster, tiles, and concrete. You have to buy a commercially available hardness reducer and add it to your pool water. Make sure you are not spreading or pouring into the wind. This is because your water will start to “crave” calcium and start eating away at the materials that contain it. Same is the case with vinyl pools which can accommodate 150-250 ppm hardness in water. Wait no more to try some random tricks for cleaning the water. My name is Bryan Mallory and I have over 25 years of experience in swimming pool, spa maintenance and repairs. Maintaining a balanced calcium hardness level in your pool is important, as water that lacks enough calcium can dissolve, pit, corrode, and etch the surfaces of your pool containing minerals the pool water is seeking. Once the desired quantity of hard pool water is drained you have to add the soft water. You have to leave your pool pump on for one complete day. When Calcium Hardness is Too Low. Treating Low Calcium Hardness The Effects of Low pH and Low Alkalinity. If your chlorine level is low, you add chlorine to the water. Low calcium hardness levels can cause etching (or pitting) in the plaster or cement in and around your pool or hot tub. Check the hardness after a week and if it is at the desired level you have all the right to show that you have lost your patience and jump in the pool. Hardness that is too low will erode your pool’s metal and plastering, while too much hardness will create a breeding ground for the growth of scale and cloudy water. How Many Bags Of Salt Are Needed To Startup A Pool? You should instead spread the amount you are adding by getting down close to the water and spreading (if in powder form) or pouring (if in liquid form) into the pool. Wait at about six hours for the calcium chloride to dissolve into the water, then retest the calcium hardness level. Consult the packaging or usage instructions to see how much calcium chloride should be added to your pool based on the number of gallons of water your pool holds. With low calcium hardness pool water, you can expect problems with: If damage from soft water occurs, there is no way to undo the damage. Why raise the pool water calcium hardness level? This digital pool and hot tub water test kit checks for Free Chlorine, Total Chlorine, Bromine, PH, Alkalinity, Calcium Hardness, and Cyanuric Acid. If … Don’t add the whole solution at one spot in the pool. 11/19/2020 09:49 am GMT You will need to know how to test for calcium hardness, how high and low calcium hardness can affect your pool, and how to treat high and low calcium hardness. Having the calcium hardness out of range can lead to problems with water quality and equipment damage. Vinyl or fiberglass surface must have a range of 175 parts per million (ppm) – 225 ppm, while a concrete pool must have a level kept within 200 ppm – 275 ppm. If the calcium hardness is too low, the water becomes corrosive and results in the etching of the pool's surfaces. There is no way to lower calcium hardness other than expensive chemicals that are unnecessary, or by replacing portions (or all) of your pool water with fresh water. Then, wait at least 12 hours to test the pH again. Low Calcium Levels in the Pool. Raising your calcium harness with calcium chloride: Tips on raising your swimming pool calcium hardness, Getting Your Swimming Pool Ready – Part 1, Primo Porcelain Glazed Pizza Baking Stone Review, Suncast Mocha Brown Wicker Resin Trash Box Review, Suncast Deck Box Mocha Wicker Resin Review, Suncast Hose Reel Mocha Wicker Resin Review, “Pool & Spa Water Chemistry, A Testing and Treatment Guide, Waterproof Edition, 2005. It is basically dependent on the area you live in. You need to read these instructions very carefully and have to know about the pool and the level of hardness to achieve the required softness. As soon as the softened water supplier takes out the hose you are ready to jump in and enjoy the splashing moments in your pool again. How To Lower Hardness In Pool? Calcium Hardness test can be done weekly with hardness test strips. It got cleaned but the same deposits reappeared after a few weeks. Recommended range for pools is between 200-400 ppm. If you’re dealing with too much calcium in a pool, you can try adding a sequestering agent, which is a chemical treatment that fights the effects of high metal and calcium content in swimming pool water (as an added bonus, it also fights stains). But, scientifically speaking water hardness is related to the excessive presence of certain elements like Calcium and Magnesium in water. You should always make sure you have first balanced total alkalinity, then pH, and lastly calcium hardness when balancing your pool. Remember, the calcium levels in your pool water do play a part, but it is often high pH that causes calcium formation. All you need to do is dip the test strip about 18 inches deep from the water level. When your calcium is too high or too low, it could lead to some issues in the future. Typically, you will want 200 - 400 ppm in your swimming pool so anything above that is considered high. Pool water must be treated for copper. Hardness can also be reduced by dilution (adding water to the pool which has a lower calcium hardness content). The balance of your pool consists of three components: pH, total alkalinity, and hardness. A plaster pool is easily affected by even lower levels of water hardness so they must be filled with water with 180-220 ppm hardness. These are symptoms of swimming pool water that is unbalanced. The plaster surfaces or tile grouting softens and erodes, metal equipment and accessories oxidize and rust quickly, and the water becomes aggressive. If you know your local water source tends to be hard water, it would be best to stay to the low end of the calcium hardness ideal range, as any new water you add will increase the calcium hardness level over time. If you need to lower your calcium hardness level, you can read this article on how to do it: Lowering Pool Calcium Hardness. You want to try to be somewhere around the middle of that range. This usually occurs if we fail to maintain our swimming pool water balance. The only option is resurfacing or replacing the damage surface or part. Calcium hardness. The cost of a test kit and maintaining the reagent test chemicals is well worth the investment. Buy Now Learn More If you click this link and make a purchase, we earn a commission at no additional cost to you. Low Calcium Hardness in pool water means that there is low calcium in the water and is considered "soft" and soft water tends to be corrosive. Testing for Calcium Hardness. Pool water can get affected by presence of elements like copper. If your chlorine level is too low, you add more chlorine. We make it simple for you to understand alkalinity and water hardness in your pool water. Read on as I … Read along for a basic understanding of the problem and then proceed to spend your money on the right treatment. This can lead to staining of the pool's surfaces as well as an eventual need for resurfacing. Levels which are too low require the addition of calcium chloride. If the calcium hardness levels in your pool are too high or low for extended periods of time, it can actually reduce the effectiveness of the sanitizer and other chemicals you add to the pool water. To raise the pH levels in your pool, try adding sodium carbonate (soda ash) or sodium bicarbonate (baking soda) until your pool's pH levels are between 7.2 and 7.8. But before jumping on to these methods you must know about the health of your pool. Maintaining the calcium hardness level of your swimming pool water can help prevent the addition of even more chemicals to help balance the water, and help prevent costly repairs in the future. Low Water Hardness. Using your pool’s drain equipment you have to drain out about one-third of the water. So, if you dropped 50 drops of R0012 into the mixture you will have 500ppm calcium hardness in your swimming pool water. Your pool water might look sparkling clear, but your water may also contain a hidden danger to your pool equipment and surfaces: low calcium hardness.. If the calcium hardness is too low, it can cause problems similar to low total alkalinity in that it becomes corrosive and try to rob minerals from your pool walls and equipment, particularly the metal. Balance the water. Many cities have some kind of local pool supply professional services in the areas where hard water is a critical problem. This could be the main reason why your pool water looks a little cloudy all the time. If you do not, your pool water might become cloudy, as the calcium carbonate will not dissolve as easily. At this point, you can take the number of drops and multiply it by 10 to get your parts per million calcium hardness. Get the pool water tested for hardness level and follow the prescribed remedies. This is again a great reason to buy a quality test kit that covers a wide range of tests. A plaster pool is easily affected by even lower levels of water hardness so they must be filled with water with 180-220 ppm hardness. The ideal range for calcium in your pool water is between 200-400 ppm. Also, make sure to use only the recommended amount of chemicals and use a clean plastic bucket to do all the mixing and stirring very carefully. We're finishing up our easy and straightforward guide to help keep your pool water clean and balanced all season long. Accepted levels of water hardness for different pool types, Adding Softening Agents Available Commercially, From Clean To Green: Reasons For Pool Water Discoloration, Invisible Pool Fence: Features and Benefits. Low Calcium Hardness. The other two are pH and total alkalinity. Many pool owners are confused by calcium hardness levels. With my experience and knowledge I can return your pool back to its best and keep it in peak condition. If the pH of your pool is below 7.2, add 2-3 capfuls of soda ash to the water. As a result, the pool's walls and floor can stain. Instead, you have to add this solution slowly along all the edges or complete circumference of the pool. Same is the case with vinyl pools which can accommodate 150-250 ppm hardness in water. Increase low calcium hardness Keep your pool clean. You also might want to only add a portion and then test before adding the remainder into the water, make sure you do not add too much and then need to lower the calcium hardness. We're almost done making an eBook for pool owners like you that want an easy and straightforward guide to keep their pool water balanced and clear with as little work as possible. The most common cause of low calcium hardness is the introduction of water that has fewer minerals dissolved in it: Usually the instructions say to NOT dilute the calcium chloride in water. Understanding Calcium Hardness. The hardness of the pool water is a very common problem and I frequently get complaints from my friends and others who trust me for the health of their pools. Testing for Calcium Hardness First, you'll want to check your water to make sure your hardness level is within the appropriate range (200-400 PPM). But if you have a reading above this range then chose any method mentioned in the next segment to get back your healthy pool. Testing the pool water and adjusting the calcium hardness so that the level is balanced can help prevent costly repairs to your swimming pool, and enjoy it for years to come. Pour soda ash into the water to raise a low pH. I did some research and learned that the hard water affects the pool surface as well corrodes the plumbing of the pool. It is a common problem if the PH level of water is on the higher side of alkalinity. You can find soda ash at most pool … Well after many years of experience and different views about controlling pool hardness I am listing down the easy and cost effective methods that you can follow. Enter your first name and email below and we'll let you know when it's ready! After several years of maintaining a pool and watching your test results, you will know if this needs to be done. Recommended range for calcium hardness is 180-220 ppm, or some say 200-400 ppm. Swimming Pool is a great place to rejuvenate with your family. The most common reason for low calcium hardness is when outside water - like rain or snow - mixes in with your pool water. Calcium Hardness is raised by use of the chemical calcium chloride.Which may also sound familiar as it is a chemical that is commonly used to melt ice and keep walkways clear in winter! It must not be delayed at any cost because if you do you may end up paying a huge bill for damaged plumbing and hard to clean pool surface that can be corrected only by replacing it. Calcium on the low and high end of the scales will eventually cause problems and when they do, be ready for some serious problems. My immediate action was to empty the pool and clean it with soap and vinegar solution. Swimming pool calcium hardness must be managed to maintain balanced pool water. Now, how do you lower hardness in a pool? For that, you need a hardness test kit. In this article, I explain how to raise your calcium hardness level, and discuss why it’s important to keep an eye on this water balance level, and what can happen to your pool if the water is kept at a calcium hardness level that is too low. They believe that high calcium hardness in swimming pools causes calcium formation. Calcium hardness should be tested regularly using test strips or reagents. If it’s still low, add an additional capful of soda ash and wait another 12 hours to test the water. You can get the water from the home softening system or can hire a water supply carrier to supply treated water from other location. This reaction can cause staining as well. Taylor”. I also explain more about calcium hardness in my articles: Maintaining Pool Calcium Hardness, and Testing Pool Calcium Hardness. The drained water can be diverted to your plants or kitchen garden to minimize water wastage. Water without adequate minerals dissolved becomes aggressive, and seeks to add minerals back into itself. Of course, the best way to avoid any calcium hardness problems is to maintain your pool, keep the water balanced, and prevent the calcium from getting too high or too low. Keeping a close eye on your pool chemistry will help you prevent problems related to calcium hardness, and a lot of other things as well. Then I recalled an infomercial I saw during a movie about water hardness in our area and how it can be handled by some chemical treatment. This process can be done every year to keep the pool in good shape. 1. The recommended level of hardness is between 200-400 ppm; if this level is either too high or too low, there can be hard to fix consequences for your pool and its equipment. At the end of one day increase the pH level of water so that it stays between 7.8 and 8.2. Match the color of the strip to the exact color on the test strip. I quickly related my pool’s problem with water hardness. Lately, I observed some deposits on the pool surface and similar patches along its sides. Low calcium hardness results in corrosive water. I feel there can’t be any other better way to spend your weekend and vacations. Low hardness (soft water) and high hardness (hard water) can both have negative effects on you, your spa, or your pool. Test. Metals corrode - and this includes pool equipment, pipe fittings and pump connections. If you don’t have a home softening system or a softened water supply company in your region you are left with the second method of reducing the hardness of pool water. The people who have swimming pools or wish to own one must take care that pools must have water with hardness levels between 200 and 400 ppm. When pool water becomes too soft (i.e. It could also end up in damaging the whole pipes and pump system if the hardness levels are extremely high. The source can be any. It is important that your swimming pool maintains a stable chlorine level and the proper chemical balance. It will take a while that the test strip to change to the exact color for reading the hardness level as indicated in the enclosed comparison indicator. Low calcium hardness can easily be … The first time you see that the pool water is looking cloudy it must ring warning bells for you. In addition to pH and total alkalinity, calcium hardness must be kept in balance so that your pool water does not become too corrosive or end up scaling the surface of your pool. The first method I am describing is the simplest. You can use borax or soda ash for this. Different softening agents have their own specific manufacturer instruction to be followed while using. Low calcium hardness. For a swimming pool, low calcium hardness can bring trouble. 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