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. We make it simple for you to understand alkalinity and water hardness in your pool water. All you need to do is dip the test strip about 18 inches deep from the water level. 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. Low Calcium Hardness. This reaction can cause staining as well. 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. The plaster surfaces or tile grouting softens and erodes, metal equipment and accessories oxidize and rust quickly, and the water becomes aggressive. I feel there can’t be any other better way to spend your weekend and vacations. 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. Low Calcium Levels in the Pool. Recommended range for calcium hardness is 180-220 ppm, or some say 200-400 ppm. 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. Low hardness (soft water) and high hardness (hard water) can both have negative effects on you, your spa, or your pool. With my experience and knowledge I can return your pool back to its best and keep it in peak condition. My immediate action was to empty the pool and clean it with soap and vinegar solution. 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. 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. Calcium hardness. The drained water can be diverted to your plants or kitchen garden to minimize water wastage. It could also end up in damaging the whole pipes and pump system if the hardness levels are extremely high. 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). 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! Keep your pool clean. 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. Don’t add the whole solution at one spot in the pool. 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. Same is the case with vinyl pools which can accommodate 150-250 ppm hardness in water. It is basically dependent on the area you live in. Keeping calcium hardness in balance is one of three important water balancing steps. Increase low calcium hardness Instead, you have to add this solution slowly along all the edges or complete circumference of the pool. 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. 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. Remember, the calcium levels in your pool water do play a part, but it is often high pH that causes calcium formation. 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. You have to leave your pool pump on for one complete day. Water without adequate minerals dissolved becomes aggressive, and seeks to add minerals back into itself. You can find soda ash at most pool … The only option is resurfacing or replacing the damage surface or part. The most common reason for low calcium hardness is when outside water - like rain or snow - mixes in with your pool water. Swimming Pool is a great place to rejuvenate with your family. You should always make sure you have first balanced total alkalinity, then pH, and lastly calcium hardness when balancing your pool. How Many Bags Of Salt Are Needed To Startup A Pool? You have to buy a commercially available hardness reducer and add it to your pool water. 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. The source can be any. Low calcium hardness can easily be … Taylor”. Pool water can get affected by presence of elements like copper. The ideal range for calcium in your pool water is between 200-400 ppm. You can use borax or soda ash for this. 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.. its calcium hardness drops below 150 ppm) it becomes corrosive. Balance the water. Then, wait at least 12 hours to test the pH again. If your chlorine level is low, you add chlorine to the water. If your calcium hardness is too low, it can be increased by adding calcium chloride from your pool shop. Why raise the pool water calcium hardness level? Low Water Hardness. It is important that your swimming pool maintains a stable chlorine level and the proper chemical balance. If … Match the color of the strip to the exact color on the test strip. 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. As a result, the pool's walls and floor can stain. 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. Once the desired quantity of hard pool water is drained you have to add the soft water. 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. 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. This can lead to staining of the pool's surfaces as well as an eventual need for resurfacing. 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. But, scientifically speaking water hardness is related to the excessive presence of certain elements like Calcium and Magnesium in water. 11/19/2020 09:49 am GMT The perfect calcium hardness level should be at 150 – 400ppm, ideally getting it between right in the middle of that range. Same is the case with vinyl pools which can accommodate 150-250 ppm hardness in water. 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. Many pool owners are confused by calcium hardness levels. At this point, you can take the number of drops and multiply it by 10 to get your parts per million calcium hardness. Recommended range for pools is between 200-400 ppm. You can get the water from the home softening system or can hire a water supply carrier to supply treated water from other location. 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. Calcium on the low and high end of the scales will eventually cause problems and when they do, be ready for some serious problems. Why is Raising Pool Calcium Hardness important? Having the calcium hardness out of range can lead to problems with water quality and equipment damage. 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. Lately, I observed some deposits on the pool surface and similar patches along its sides. If you need to lower your calcium hardness level, you can read this article on how to do it: Lowering Pool Calcium Hardness. Adding calcium to your pool will increase the calcium level right away. Buy Now Learn More If you click this link and make a purchase, we earn a commission at no additional cost to you. Hardness can also be reduced by dilution (adding water to the pool which has a lower calcium hardness content). Enter your first name and email below and we'll let you know when it's ready! Now you can take out the test strip and let it settle for a few minutes. Typically, you will want 200 - 400 ppm in your swimming pool so anything above that is considered high. The check on the hardness can be done easily with a dip test. 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. 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. How To Lower Hardness In Pool? Wait at about six hours for the calcium chloride to dissolve into the water, then retest the calcium hardness level. 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. When Calcium Hardness is Too Low. 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. When pool water becomes too soft (i.e. My name is Bryan Mallory and I have over 25 years of experience in swimming pool, spa maintenance and repairs. Wait no more to try some random tricks for cleaning the water. 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. Calcium hardness should be tested regularly using test strips or reagents. How Much Does a Pool Cost Per Month In Electricity? 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. 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. 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. Calcium hardness is the amount of calcium dissolved in the pool water and the measurement of how hard or soft your water is. Make sure you are not spreading or pouring into the wind. If the calcium hardness is too low, the water becomes corrosive and results in the etching of the pool's surfaces. So, if you dropped 50 drops of R0012 into the mixture you will have 500ppm calcium hardness in your swimming pool water. For that, you need a hardness test kit. Balance refers to three component levels: pH, total alkalinity (TA) and hardness. You want to try to be somewhere around the middle of that range. They believe that high calcium hardness in swimming pools causes calcium formation. 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. 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. Low calcium hardness results in corrosive water. The cost of a test kit and maintaining the reagent test chemicals is well worth the investment. Metals corrode - and this includes pool equipment, pipe fittings and pump connections. 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). This is because your water will start to “crave” calcium and start eating away at the materials that contain it. Calcium hardness is the measure of how hard or soft your pool water is and how much calcium is dissolved in your pool water. If the pH of your pool is below 7.2, add 2-3 capfuls of soda ash to the water. 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. The Effects of Low pH and Low Alkalinity. Low calcium hardness levels can cause etching (or pitting) in the plaster or cement in and around your pool or hot tub. I did some research and learned that the hard water affects the pool surface as well corrodes the plumbing of the pool. Adding calcium chloride is the most common way to raise swimming pool water hardness. 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. 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. Pool water with high or low calcium hardness is harmless to swimmers but might be damaging to your pool itself. Pour soda ash into the water to raise a low pH. This usually occurs if we fail to maintain our swimming pool water balance. 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 … It got cleaned but the same deposits reappeared after a few weeks. Levels which are too low require the addition of calcium chloride. We're finishing up our easy and straightforward guide to help keep your pool water clean and balanced all season long. This digital pool and hot tub water test kit checks for Free Chlorine, Total Chlorine, Bromine, PH, Alkalinity, Calcium Hardness, and Cyanuric Acid. Reader note: An edited version of this article originally appeared in the summer 2007 issue of The Edge, a publication of the Northeast Spa & Pool Association.. Calcium hardness must be actively managed—along with pH and total alkalinity—to keep water in proper chemical balance. These are symptoms of swimming pool water that is unbalanced. This process can be done every year to keep the pool in good shape. 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 it’s still low, add an additional capful of soda ash and wait another 12 hours to test the water. The right calcium hardness level depends on the kind of pool you have. This needs the services of your pool pump. Get the pool water tested for hardness level and follow the prescribed remedies. It is a common problem if the PH level of water is on the higher side of alkalinity. I also explain more about calcium hardness in my articles: Maintaining Pool Calcium Hardness, and Testing Pool Calcium 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. Testing for Calcium Hardness. What makes your calcium hardness low? High levels may result from pool water evaporating and increasing the concentration of calcium in the remaining water as it … 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. 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. If your chlorine level is too low, you add more chlorine. Using your pool’s drain equipment you have to drain out about one-third of the water. Different softening agents have their own specific manufacturer instruction to be followed while using. But before jumping on to these methods you must know about the health of your pool. The other two are pH and total alkalinity. If you do not, your pool water might become cloudy, as the calcium carbonate will not dissolve as easily. This confusion is found even within the swimming pool industry. This is again a great reason to buy a quality test kit that covers a wide range of tests. Now is the time to mix the water and the added solution. When your calcium is too high or too low, it could lead to some issues in the future. Swimming pool calcium hardness must be managed to maintain balanced pool water. The balance of your pool consists of three components: pH, total alkalinity, and hardness. Read on as I … At the end of one day increase the pH level of water so that it stays between 7.8 and 8.2. How to Lower Hardness in a Pool. The first method I am describing is the simplest. Understanding Calcium Hardness. 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