Saltwater vs Chlorine – Which is Best for Your Above Ground Pool?

Imagine this scenario: You’re sitting in your backyard, daydreaming about those long, lazy summer days spent lounging by the pool. You’ve finally decided to make that dream a reality and install an above ground pool!

However, as you dive into the research, you’re faced with a dilemma – saltwater or chlorine pool? Like many potential pool owners, you’ve heard whispers about the benefits of saltwater pools, but you’re not quite sure why they might be better than traditional chlorine pools.

You’re also wondering about the nitty-gritty details of pool maintenance for each type. In this article, we’re going to dive deep into the world of above ground pools, specifically comparing saltwater and chlorine systems, so you can make an informed decision that suits your needs.

If you make a purchase through one of the links on this page I may earn a commission, at no extra cost to you. Thank you for your support.

Understanding the Basics: Saltwater vs Chlorine Pools

Let’s start with the basics. Saltwater pools use a salt chlorinator system to generate chlorine from the salt dissolved in the water. In contrast, traditional chlorine pools require the manual addition of chlorine tablets or liquid.

To state it simply, in a saltwater pool, you’re using electricity to convert salt to chlorine. The chlorine combines with the water and chlorinates the pool. 

At the end of the day, both systems ultimately use chlorine, the difference lies in how the chlorine is introduced into the water.

Benefits of Saltwater Pools

1. Easier on the Eyes and Skin:

• Gentle Feel: Saltwater pools are often praised for their gentler water quality. The salinity level in saltwater pools is much lower than that of seawater, making it much closer to the natural salinity of the human body. This similarity results in a more comfortable swimming experience. Swimmers often describe the water as silkier and less abrasive on the skin, which can be particularly beneficial for those with sensitive skin.
• Reduced Irritation: Unlike chlorine pools, where high chlorine levels can lead to skin dryness and red, irritated eyes, saltwater pools tend to minimize these issues. While it’s important to maintain the right salt level, many swimmers notice less skin and eye irritation in saltwater pools, which can lead to longer and more enjoyable swims.

2. Lower Chlorine Odor:

• Chemical-Free Fragrance: Perhaps one of the most notable advantages of saltwater pools is the absence of that strong chlorine odor commonly associated with traditional chlorine pools. This is because the chlorine in a saltwater pool is generated naturally through the salt chlorinator system, resulting in a much milder, almost chlorine-free scent. This lack of a potent chemical smell enhances the overall poolside ambiance, making it more pleasant for swimmers and those relaxing nearby.

3. Continuous Chlorination:

• Steady Chlorine Release: Saltwater pools maintain a consistent, controlled release of chlorine. The salt cell generator continuously converts the dissolved salt in the pool into chlorine. This steady chlorination process ensures that the water remains well-sanitized and safe for swimming. It also eliminates the need for frequent manual additions of chlorine chemicals.
• Enhanced Water Quality: The consistent release of chlorine in saltwater pools results in more stable water quality. With fewer fluctuations in chlorine levels, you’ll likely experience fewer water chemistry problems like algae growth or pH imbalances. This can lead to easier maintenance and fewer surprises when testing your pool’s water chemistry.

Benefits of Chlorine Pools

1. Cost-Efficiency:

• Lower Initial Costs: One of the primary advantages of chlorine pools is their cost-effectiveness, particularly during the initial setup. Chlorine pool systems are generally less expensive to install compared to saltwater systems. This is because they don’t require the purchase and installation of a salt chlorinator and the associated equipment needed for saltwater pool operation. If you’re working with a limited budget or prefer a more affordable option upfront, a chlorine pool can be an attractive choice.
• Affordable Maintenance: In addition to lower installation costs, chlorine pools tend to have more budget-friendly ongoing maintenance. Chlorine tablets and liquid chlorine are widely available and can be less expensive than maintaining the salt levels in a saltwater pool. While chlorine pools may require more frequent chemical additions, the lower upfront and ongoing costs make them an economically appealing option.

2. Quick Shock Treatment:

• Rapid Response: Chlorine pools offer the advantage of rapid shock treatment when necessary. This can be crucial in situations where you need to quickly address issues like algae or bacteria outbreaks. By adding a shock treatment, you can effectively raise the chlorine levels in the pool to eliminate contaminants and restore water clarity. This swift response can save time and effort in maintaining water quality.
• Versatile Maintenance: Chlorine pools allow pool owners to control the shock treatment process. You can tailor the amount of shock treatment based on your specific needs, ensuring that your pool remains clean and safe for swimming.

3. Precise Control:

• Chlorine Level Adjustments: Chlorine pool systems offer precise control over chlorine levels. You can easily adjust the chlorine concentration by adding chlorine tablets or liquid as needed. This precision is valuable for maintaining the optimal chlorine balance in your pool, which is essential for water sanitation and safety.
• Customizable Water Chemistry: With chlorine pools, you have greater flexibility in fine-tuning the water chemistry. This allows you to address specific challenges, such as pH imbalances or water clarity issues, by adding the right chemicals in the right quantities.

Maintenance Matters: Which One’s Easier?

When it comes to maintenance, both saltwater and chlorine pools require attention, but the extent and frequency differ.

Saltwater Pool Maintenance

1. Regularly Check Salt Levels:
   • Salt Level Maintenance: Maintaining the appropriate salt levels in your saltwater pool is crucial for its proper operation. Salt acts as the source of chlorine in a saltwater pool, and if the salt concentration is too low, the pool won’t generate enough chlorine to keep the water adequately sanitized.
   • Testing Frequency: Regularly check the salt levels in your pool water using a salt test kit or a digital salt meter. This should ideally be done at least once a month or as recommended by your pool manufacturer or installer.
   • Adding Salt: If the salt levels are low, you may need to add salt to the pool. Follow the manufacturer’s guidelines for the correct amount based on your pool’s size and current salt concentration.
2. Clean the Salt Cell Generator Periodically:
   • Maintenance of the Salt Cell: The salt cell generator is a critical component of a saltwater pool system. It’s responsible for converting the dissolved salt into chlorine through a process called electrolysis. Over time, mineral deposits and scale can build up on the cell’s electrodes, reducing its efficiency.
   • Cleaning Frequency: Periodically inspect the salt cell for scaling or deposits. Depending on your pool’s usage and water quality, you may need to clean it every 3 to 6 months.
   • Cleaning Process: To clean the salt cell, follow the manufacturer’s instructions carefully. Typically, this involves removing the cell, soaking it in a diluted acid solution, and then rinsing it thoroughly before reinstalling it in the pool system.
3. Monitor pH Levels and Alkalinity:
   • pH and Alkalinity Control: Maintaining proper pH and alkalinity levels is essential for water balance and swimmer comfort in a saltwater pool. pH measures the acidity or alkalinity of the water, while alkalinity acts as a buffer to stabilize pH.
   • Testing Frequency: Regularly test pH and alkalinity levels using pool test kits. Aim for pH levels between 7.4 and 7.6 and alkalinity levels between 80 and 120 ppm (parts per million).
   • Adjustment: If pH or alkalinity levels are outside the recommended range, use appropriate chemicals to adjust them. Common products for pH adjustment include pH increasers or pH decreasers, while alkalinity can be adjusted with alkalinity increasers or decreasers.
4. Less Frequent Need to Add Chemicals:
   • Consistent Chlorination: One of the advantages of saltwater pools is their continuous and consistent chlorination. Unlike traditional chlorine pools, saltwater pools generate chlorine steadily, reducing the need for frequent manual additions of chlorine chemicals.
   • Reduced Chemical Costs: Because of this continuous chlorination, saltwater pool owners often spend less on chlorine chemicals over time. This can result in cost savings and fewer trips to the pool store for chemical purchases.

Chlorine Pool Maintenance

1. Regularly Test and Adjust Chlorine Levels:
   • Chlorine Level Maintenance: Maintaining the correct chlorine levels in a chlorine pool is essential for effective water sanitation. Chlorine kills bacteria and prevents algae growth, ensuring that the water remains safe for swimming.
   • Testing Frequency: Regularly test the chlorine levels using pool test kits. Ideally, check chlorine levels at least two to three times a week, especially during the swimming season, to ensure they are within the recommended range.
   • Adjustment: If chlorine levels are too low, you will need to add more chlorine to the pool. Conversely, if levels are too high, you may need to dilute the water or wait for the chlorine to naturally dissipate. Chlorine can be added in various forms, such as chlorine tablets, liquid chlorine, or chlorine shock.
2. Shock the Pool Periodically:
   • Shock Treatment Purpose: Periodic shock treatments are essential to destroy chloramines, which are byproducts of chlorine disinfection. Chloramines can cause chlorine odors and skin and eye irritation. Shock treatments also help address issues like algae outbreaks or cloudy water.
   • Shock Frequency: The frequency of shock treatments varies depending on pool usage and water conditions. As a general guideline, you may need to shock your pool every 1-2 weeks during the swimming season or more frequently if problems arise.
   • Shocking Process: To shock your pool, use a chlorine shock product according to the manufacturer’s instructions. Typically, you’ll dissolve the shock treatment in a bucket of water and then distribute it evenly across the pool’s surface, usually in the evening or at night.
3. Frequent Chemical Additions:
   • Chemical Maintenance: Chlorine pools often require more frequent chemical additions compared to saltwater pools. In addition to chlorine, you may need to add other chemicals like pH increasers or decreasers, alkalinity adjusters, and stabilizers to maintain proper water balance.
   • Balancing Act: Monitoring and maintaining pH levels and alkalinity is crucial for water balance. These factors impact the effectiveness of chlorine and the overall comfort of swimmers. Regular testing and adjustments ensure that the water remains clear and safe.
   • Algae Prevention: To prevent algae growth, many pool owners also use algaecides as a preventive measure. Algaecides help inhibit the development of algae, reducing the need for aggressive shock treatments.
4. Monitoring pH Levels and Alkalinity:
   • pH and Alkalinity Control: pH and alkalinity levels are essential for water balance and swimmer comfort. Maintaining the proper pH range (between 7.4 and 7.6) and alkalinity levels (between 80 and 120 ppm) helps ensure water clarity and prevents corrosion or scaling.
   • Testing Frequency: Regularly test pH and alkalinity levels using pool test kits. Adjust them as needed using appropriate chemicals to keep them within the recommended range.
   • Water Balance: Proper pH and alkalinity levels work in conjunction with chlorine to maintain effective water sanitation. Monitoring and balancing these parameters contribute to a safe and enjoyable swimming experience.

Health Considerations: Are Saltwater Pools Really Healthier?

It’s a common belief that saltwater pools are inherently healthier for swimmers due to their gentler feel on the skin and eyes. However, it’s important to understand that the health benefits of saltwater pools are often overstated, and both saltwater and chlorine pools can offer safe and enjoyable swimming experiences when properly maintained.

1. Skin and Eye Sensitivity:

• Saltwater Pools: Saltwater pools are often favored for their gentler water quality. The salt concentration in these pools is relatively low, similar to the salinity of the human body, which can create a more comfortable swimming experience. Swimmers frequently describe the water as silkier and less abrasive on the skin, making it particularly appealing to those with sensitive skin.
• Chlorine Pools: Chlorine pools, especially when chlorine levels are properly balanced, can provide a comfortable and safe swimming environment. However, if chlorine levels are too high or not adequately maintained, swimmers may experience skin dryness, redness, and eye irritation. Proper water chemistry management is crucial to mitigate these issues.

2. Chlorine Odor:

• Saltwater Pools: One of the notable advantages of saltwater pools is the absence of a strong chlorine odor. This is because the chlorine in saltwater pools is generated naturally through the salt chlorinator system, resulting in a milder, almost chlorine-free scent. This can enhance the overall poolside experience, making it more pleasant for swimmers and those nearby.
• Chlorine Pools: Traditional chlorine pools can sometimes have a strong chlorine odor, especially if chlorine levels are too high. However, when chlorine levels are appropriately maintained and balanced, the odor is generally minimal and not a cause for concern.

3. Overall Health and Safety:

• Saltwater Pools: While saltwater pools offer certain advantages in terms of skin and eye comfort, they are not inherently healthier than chlorine pools. Both pool types can provide a safe and enjoyable swimming experience when water quality is properly maintained.
• Chlorine Pools: Chlorine is a highly effective disinfectant that kills bacteria and other pathogens in the water, helping to prevent waterborne illnesses. When chlorine levels are maintained within the recommended range and the pool is regularly tested and treated, chlorine pools provide a safe swimming environment.

Final Thoughts: Choosing the Pool that Suits You

Now, as you stand on the poolside of decision, ready to dive into the world of above ground pools, it’s time for a story. Let’s call it the tale of “The Great Pool Conundrum.”

Once upon a time, there was a pool enthusiast named Sarah. Sarah loved the idea of lounging by the pool, but she was stuck in the middle of the great saltwater vs. chlorine debate. She’d heard whispers of saltwater’s silky caress on the skin and chlorine’s no-nonsense cost efficiency. Like you, dear reader, she had choices to make.

Sarah, with a glint of adventure in her eye, opted for the saltwater pool, seeking that natural, gentle embrace of the water. Her skin sighed in contentment, and her eyes sparkled with joy. It was indeed her aquatic oasis.

But across the fence, her friend Mike had chosen the chlorine route. He reveled in the cost-efficiency, the swift shock treatments, and the precise control over his pool’s chemistry. Mike’s pool was his kingdom of aquatic delight.

So, what’s the moral of this poolside tale? It’s simple: There’s no one-size-fits-all answer. It’s about what suits your lifestyle, needs, and priorities. Your pool journey is a personalized adventure, and the destination is your paradise.

So, whether you’re drawn to the gentle caress of saltwater or the thrifty charm of chlorine, take the plunge with confidence. Your pool, your choice, your aquatic joy awaits. Here’s to many years of sunny, splashing, and delightful days by the pool!