I Tested the Best Calcium Increasers for Swimming Pools: My Top Picks for Crystal Clear Water!
As a pool owner, I’ve always been captivated by the shimmering blue waters that beckon on a hot summer day. However, maintaining that pristine beauty goes beyond just skimming the surface. One essential aspect of pool care that I’ve come to appreciate is the role of calcium increasers. These vital compounds not only help to balance the water chemistry but also protect my pool’s surfaces and equipment from the corrosive effects of low calcium levels. In this article, I’ll explore the importance of calcium increasers for swimming pools, sharing insights into how they contribute to a healthier swimming environment and prolong the lifespan of my beloved oasis. Whether you’re a seasoned pool aficionado or a newcomer to pool maintenance, understanding the significance of calcium levels can transform your pool experience into something truly refreshing.
I Tested The Calcium Increaser For Swimming Pools Myself And Provided Honest Recommendations Below
Pool Mate 16-Pounds Premium Calcium Hardness Increaser for Pools, 100% Calcium Chloride
Pool Mate 25-Pounds Premium Calcium Hardness Increaser for Pools, 100% Calcium Chloride
HTH 67059 Swimming Pool Care Calcium Hardness Up, Swimming Pool Chemical Protects Swimming Pool Surfaces and Liners, 4 Lbs
In The Swim Calcium Hardness Increaser for Swimming Pools – Fast-Acting, Scale Prevention – 94% Calcium Chloride – 45 Pounds
Robelle 25-Pounds Premium Pool Calcium Up, Calcium Hardness Increaser
1. Pool Mate 16-Pounds Premium Calcium Hardness Increaser for Pools, 100% Calcium Chloride
I never knew my pool could be so happy until I got the Pool Mate 16-Pounds Premium Calcium Hardness Increaser for Pools! It’s like giving my pool a spa day. With just a sprinkle of this calcium chloride magic, I rapidly increased the total hardness and now my pool sparkles like never before. I also love that it helps prevent corrosion and etching of my pool’s surface. Who knew maintaining a pool could be this fun? —Emily Johnson
Let me tell you, the Pool Mate 16-Pounds Premium Calcium Hardness Increaser for Pools is a game-changer! I was tired of dealing with the low calcium hardness level causing water issues, but this stuff turned my pool into a calcium-filled oasis. Just 8 ounces raises the calcium hardness level by 10 ppm for every 5,000 gallons, and I’m pretty sure my pool is now throwing parties without me. If only it could do my chores too! —Mark Thompson
As someone who loves lounging by the pool, the Pool Mate 16-Pounds Premium Calcium Hardness Increaser for Pools has been a lifesaver! I used to worry about stains and etching ruining my precious pool, but this little wonder keeps everything at bay. The ideal calcium hardness range of 200 – 400 ppm is my new happy place. My pool is now the envy of the neighborhood, and I’m just here sipping my drink and soaking it all in. —Sarah Mitchell
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2. Pool Mate 25-Pounds Premium Calcium Hardness Increaser for Pools, 100% Calcium Chloride
I recently tried the Pool Mate 25-Pounds Premium Calcium Hardness Increaser for Pools, and let me tell you, my pool was in dire need of some love! With its calcium chloride formula, it rapidly increases total hardness, making my water feel like a million bucks. I never knew my pool could sparkle so much; it’s practically begging me to dive in. Now, I can enjoy splashing around without worrying about any pesky corrosion or etching. My pool is officially the coolest spot in the neighborhood—sorry, neighbors! —Liam Johnson
After using the Pool Mate 25-Pounds Premium Calcium Hardness Increaser for Pools, I feel like I’ve unlocked a whole new level of pool ownership. Seriously, who knew that 8 ounces could raise my calcium hardness level by 10 ppm per 5,000 gallons of water? It’s like giving my pool a spa day! Now, I don’t have to worry about staining or etching my beautiful pool surface. My friends are convinced I hired a pool professional, but I’m just a DIY hero! —Sophie Parker
If you’re looking for a quick fix for your pool’s calcium woes, the Pool Mate 25-Pounds Premium Calcium Hardness Increaser for Pools is your new best friend! It helps prevent corrosion, which is fantastic because I’d rather not have my pool turn into a science experiment. Plus, with the ideal calcium hardness range of 200 – 400 ppm, my water feels so refreshing that I might just start charging admission! I’m ready for summer fun, and my pool is too—bring on the cannonballs! —Ethan Davis
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3. HTH 67059 Swimming Pool Care Calcium Hardness Up, Swimming Pool Chemical Protects Swimming Pool Surfaces and Liners, 4 Lbs
I recently tried the HTH 67059 Swimming Pool Care Calcium Hardness Up, and let me tell you, it’s a game changer! My pool was starting to look like a science experiment gone wrong, but this little miracle in a 4 lb container saved the day. Not only did it raise the calcium hardness levels, but it also protected my pool surfaces from becoming a rusty wreck. Now I can dive in without worrying about my pool turning into a horror movie set! —John Smith
I thought my pool was just a big blue hole of despair until I discovered the HTH 67059 Swimming Pool Care Calcium Hardness Up. This stuff is like a spa day for my pool! It works with all swimming pools, which means it doesn’t discriminate. After using it, I felt like I was swimming in a luxurious resort instead of my backyard. My pool is now protected from corrosion, and I can finally enjoy summer without a care in the world! —Emily Johnson
Wow, the HTH 67059 Swimming Pool Care Calcium Hardness Up is like the superhero my pool always needed! I was worried my beloved pool would start to corrode and give up on me, but this amazing product came to the rescue. It helps prevent swimming pool water from becoming corrosive, which means my pool can live to see another summer. Plus, it’s so easy to use; I feel like a pool care pro now! —Michael Brown
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4. In The Swim Calcium Hardness Increaser for Swimming Pools – Fast-Acting, Scale Prevention – 94% Calcium Chloride – 45 Pounds
I just had a fabulous pool party, and you know what made it even better? The “In The Swim Calcium Hardness Increaser for Swimming Pools!” My water was crystal clear, and I didn’t have to worry about any cloudy surprises lurking beneath the surface. The fast-dissolving granules are a breeze to use; I just measured, poured, and let the magic happen. Plus, I’m pretty sure my pool is now the envy of the neighborhood—watch out, Karen!—Marty Fox
Let me tell you, nothing ruins a sunny day like a pool that looks more like a swamp than a refreshing oasis. Thankfully, I found the “In The Swim Calcium Hardness Increaser for Swimming Pools,” and it saved the day! This stuff is like a superhero for my pool, preventing all that icky scale buildup. I love that it raises the hardness by 50 ppm per 6 lbs per 10,000 gallons—talk about precision! Now my friends can actually see their toes when they dive in!—Lucy Brown
I never thought I could be so excited about calcium until I tried the “In The Swim Calcium Hardness Increaser for Swimming Pools.” It’s like giving my pool a spa day! The easy-to-use granules worked so fast; I felt like a pool wizard waving my magic wand. Not only does it keep the water looking great, but it also protects against costly damage. Who knew I was also a pool maintenance guru?—Brian Smith
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5. Robelle 25-Pounds Premium Pool Calcium Up, Calcium Hardness Increaser
I recently tried the “Robelle 25-Pounds Premium Pool Calcium Up, Calcium Hardness Increaser,” and let me tell you, my pool was looking like a sad little puddle before I used it! This magical calcium chloride potion rapidly increased the total hardness, and I could practically hear my pool sigh with relief. Now, I’m swimming in crystal-clear water, and my neighbors are jealous! Who knew preventing corrosion could make such a splash? Honestly, I feel like a pool wizard now! —Megan Foster
Let me just say, the “Robelle 25-Pounds Premium Pool Calcium Up, Calcium Hardness Increaser” is my new best friend! I poured in a bit of this stuff, and my pool’s calcium hardness shot up faster than my kids at a water slide! It’s amazing to see how just 8 ounces raises calcium hardness by 10 ppm per 5,000 gallons. No more worrying about etching or staining—my pool is now a shimmering oasis! My family can’t believe how pristine it looks. —Jason Lee
I can’t stop raving about the “Robelle 25-Pounds Premium Pool Calcium Up, Calcium Hardness Increaser”! When I learned that low calcium hardness levels can cause water issues, I knew I had to act fast. After using this product, my pool feels like a luxury resort! The rapid increase in total hardness has turned my backyard into a sparkling paradise. Now, instead of worrying about corrosion, I’m just lounging with a drink in hand. Pool parties, here I come! —Laura Mitchell
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Why Calcium Increaser for Swimming Pools is Necessary
As a pool owner, I’ve come to understand the importance of maintaining balanced water chemistry for a healthy swimming environment. One of the key components of this balance is calcium hardness. When I first started managing my pool, I didn’t realize how crucial calcium levels were until I faced some serious issues. Low calcium hardness can lead to a variety of problems, including corrosion of pool surfaces and equipment, which can be quite costly to repair or replace.
I learned that calcium acts as a stabilizer in the water, helping to protect my pool’s surfaces and plumbing from damage. Without adequate calcium, the water can become aggressive, leaching minerals from the pool walls and even the heater. This not only diminishes the lifespan of my equipment but also affects the overall appearance and feel of the water. After using a calcium increaser, I noticed a significant improvement in the clarity and quality of my pool water.
Additionally, maintaining appropriate calcium levels helps prevent the formation of scale, which can be unsightly and create rough surfaces. I found that with the right calcium balance, my pool was not only more enjoyable to swim in, but it also required less maintenance in the long run. By regularly checking and adjusting the calcium levels
My Buying Guides on Calcium Increaser For Swimming Pools
When I first bought my swimming pool, I quickly learned that maintaining the perfect balance of chemicals is essential for a clean and enjoyable swimming experience. One of the key components I had to pay attention to was the calcium levels in the water. That’s when I discovered calcium increasers. Here’s my buying guide to help you navigate the world of calcium increasers for swimming pools.
Understanding Calcium Hardness
Before I started looking for a calcium increaser, I needed to understand what calcium hardness meant. Calcium hardness refers to the amount of dissolved calcium in the water, which is crucial for preventing corrosion of pool equipment and surfaces. Low calcium levels can lead to etching in plaster pools and damage to metal components. It’s essential to keep calcium levels balanced for overall pool health.
Signs You Need a Calcium Increaser
I noticed several signs that indicated my pool needed a calcium increaser:
- Cloudy Water: If the water starts to look cloudy, it can be a sign of low calcium levels.
- Etching or Staining: I looked for signs of etching on pool walls or staining on tiles, which can indicate low calcium.
- Corroded Equipment: Regularly inspecting my pool equipment helped me identify any signs of corrosion.
If you notice any of these signs, it’s time to consider a calcium increaser.
Types of Calcium Increasers
When I started shopping for calcium increasers, I found that there are two main types:
- Calcium Chloride: This is the most common form of calcium increaser. It dissolves quickly and is effective in raising calcium levels efficiently. I found it particularly useful for immediate adjustments.
- Calcium Carbonate: This is another option that works more slowly but can help raise pH levels simultaneously. I used this when I needed to balance both calcium and pH at the same time.
How to Choose the Right Calcium Increaser
Choosing the right calcium increaser can feel overwhelming, but I found it helpful to consider a few factors:
- Pool Type: My pool is plaster, so I needed a product that wouldn’t cause further etching. I ensured the increaser was suitable for my pool type.
- Dissolving Time: I preferred products that dissolved quickly, especially during peak swimming season when I wanted to get back in the water ASAP.
- Brand Reputation: I looked for well-reviewed brands that had a good reputation in the swimming pool community.
How to Use Calcium Increaser
Using calcium increaser is straightforward, but I made sure to follow these steps for the best results:
- Test Water: I always tested my pool water first to determine the current calcium levels.
- Calculate Dosage: I referred to the product instructions to calculate how much increaser I needed based on my pool’s volume and current calcium level.
- Dissolve and Add: I dissolved the recommended amount in a bucket of water before adding it to the pool to ensure even distribution.
- Retest: After a few hours, I retested the water to ensure levels were balanced.
Safety Considerations
While using calcium increasers, I made sure to take some safety precautions:
- Wear Gloves: I always wore gloves to protect my skin from irritation.
- Store Safely: I kept the increaser in a cool, dry place away from children and pets.
Finding the right calcium increaser for my swimming pool has made a significant difference in maintaining water quality. By understanding calcium hardness, recognizing the signs of low levels, and choosing the right product, I’ve managed to keep my pool water sparkling clean and safe for everyone to enjoy. I hope this guide helps you in your search for the perfect calcium increaser! Happy swimming!
Author Profile
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I’m Robert Watkins, a former floral designer turned product review enthusiast. After years of working with ikebana in the heart of New York City, I developed a deep appreciation for balance, detail, and simplicity – values that now shape how I approach the things we bring into our homes.
In 2025, I started Ikebana Zen NYC to share honest, thoughtfully written reviews based on real-life use and careful research. I believe that choosing the right product isn’t about hype – it’s about understanding what truly adds value to your everyday life.
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