Having a pool at home makes summertime an even more exciting experience, as homeowners can beat the heat and feel like there’s a tropical paradise right on their doorsteps. However, owning one also takes a lot of responsibility, especially when it comes to keeping your pool clean and free from calcium scales.
Not only will this help extend the life of your pool, but it will also keep your swimming area looking great and ready for some fun time under the sun. Luckily, there are a few things you can do to remove calcium scaling from your pool.
With a bit of elbow grease and the right products, you can have your pool looking sparkling clean in no time. With that in mind, it’s worth understanding what to expect with calcium scaling, the different types, and causes, so you can be better equipped to get rid of them down the line.
What are the Different Types of Calcium Scaling in a Swimming Pool
Scaling can be unsightly and difficult to remove. It can also clog filters and other pool equipment. In extreme cases, scaling can cause structural damage to pools. There are a few different types of calcium scaling, each with its own unique set of challenges.
- Calcium carbonate scaling is one of the most common types of scaling in swimming pools. This type of scaling occurs when calcium carbonate builds up on the surface of the pool. Calcium carbonate is a white, chalky substance that can be found in many different rocks and minerals. When it comes into contact with water, it can form a hard, white coating on the surface of the pool.
- Calcium silicate scaling is less common, but can be more difficult to remove. This type of scaling is caused by the presence of silicon in the water and is often seen as a clear, glass-like deposit on the pool walls and floor.
While you can definitely eliminate calcium carbonate buildup on your own, carbon silicate is a different ballpark altogether and requires professional intervention.
Exploring the Common Culprits Behind Calcium Carbonate Scaling in a Swimming Pool
1. Too Much Calcium Levels (Above 400 ppm)
One of the most common causes of calcium scaling is high calcium levels in the pool water. While calcium is necessary for proper pool operation, too much of it can lead to scaling on pool surfaces. This is often caused by using hard water to fill the pool, as the calcium in the water can become concentrated as it evaporates. If you live in an area with hard water, it’s important to have your pool water regularly tested to ensure that the calcium levels are not too high.
2. Unbalanced Water Chemistry (High Alkalinity and High pH)
To prevent calcium carbonate scaling, it is important to maintain proper water chemistry in your pool. The alkalinity should be kept in the range of 80-120 ppm, and the pH should be kept in the range of 7.2-7.6.
If you notice that the alkalinity or pH levels are getting too high, you can adjust them by adding the appropriate chemicals to the pool water. This is why it’s so essential to maintain proper pH levels in your pool—if the pH is off, it can lead to all sorts of problems, including calcium scaling.
How to Remove Calcium Carbonate Scaling in Your Swimming Pool
Calcium carbonate scaling can be unsightly and difficult to remove. Fortunately, there are a few simple methods you can use to get rid of this problem.
One way to remove calcium carbonate scaling is to use a pumice stone. Pumice is a natural abrasive that can be used to gently scrub away deposits. To use a pumice stone, wet the stone and then rub it over the affected area. Be sure to use gentle pressure to avoid damaging the surface beneath the deposit.
Another option for removing calcium carbonate scaling is to use a stain eraser or scale remover. These products are designed specifically for removing mineral deposits and can be found at most hardware stores. Be sure to follow the instructions on the product label before using.
If you have a persistent calcium carbonate problem, you may need to consult a professional. A pool service company can use special chemicals and techniques to remove stubborn deposits.
The Bottom Line: Keeping Your Pool Spick-and-Span and Free from Calcium Buildups
It’s no secret that calcium is the number one enemy of swimming pools. This naturally occurring element is found in nearly all types of water, and it can wreak havoc on pool surfaces and equipment. But with the tips above, plus some elbow grease, you can keep your pool clean and free of calcium build-up.
Indeed, there are easy DIY ways to remove calcium buildup in your pool, but if you’re trying to eliminate stubborn ones like carbon silicate scaling, then it’s best to leave it to professionals. After all, a professional will have the tools and expertise necessary to remove calcium buildup safely and effectively.
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About the Author
Stefan Schulz is the founder and owner of PV Pool Cleaner. He spent his college years working at Niagara Pools and Spas, one of the largest Swimming Pool and Hot Tub Dealers in the Eastern United States.
Today, he utilizes his background, experience as a pool owner, and the resources of his digital marketing agency, Orpical Group, to generate informative and engaging content for pool owners everywhere.