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10 Best Swimming Pool Chlorine Dispensers 2025 in the United States

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Our Top Picks

#2

Hayward CL200 In-line Automatic Chemical Feeder

Rating
10.0
Capacity
Material
Ease of Use

Most important from
3456 reviews

Capacity
Definitely worth paying the extra for the name brand; it works like a charm and clears up a 30,000-gallon pool quickly and with ease.
Material
The installation process is straightforward, and the durable construction ensures long-lasting performance.
Ease of Use
Ensures a consistent and accurate distribution of chemicals, keeping your pool water balanced and clean with minimal effort.

The Hayward CL200 In-line Automatic Chemical Feeder is designed for convenience and efficiency in maintaining your swimming pool's chlorine levels. It uses both large and small, slow-dissolving tablets, which makes it versatile for different pool sizes and conditions. The dial control valve is a standout feature, allowing you to easily adjust the feed rate to suit your pool's specific needs. This level of adjustability ensures you can maintain optimal chlorine levels without much hassle.

The Easy-Lok threaded cover makes it simple and safe to add new tablets, reducing the frequency of handling chemicals directly. Additionally, the unique finger-release catch provides an extra layer of security, preventing accidental spills or leaks. Constructed from durable ABS material and fitted with a high-quality Viton seal, the feeder is built to last and resist wear and tear, offering extended life with minimal maintenance. This durability is particularly beneficial in environments where the feeder is exposed to constant water and chemical contact.

On the downside, the feeder's 0.25-pound weight might be a bit light, suggesting it may require careful installation to ensure stability. Also, while the unit prevents corrosion, which is a great benefit, it is important to regularly check seals and connections to avoid any potential leaks over time. This product is best suited for pool owners who want a reliable and adjustable chemical feeder that simplifies the task of maintaining pool sanitation by automating chlorine dispensing.

Rating
10.0
Capacity
Material
Ease of Use

Most important from
3456 reviews

Capacity
Definitely worth paying the extra for the name brand; it works like a charm and clears up a 30,000-gallon pool quickly and with ease.
Material
The installation process is straightforward, and the durable construction ensures long-lasting performance.
Ease of Use
Ensures a consistent and accurate distribution of chemicals, keeping your pool water balanced and clean with minimal effort.
#3

Pentair R171096 Rainbow 320 Automatic in-Line Chlorine/Bromine Feeder for Pool and Spa

Rating
9.8
Ease of Use

Most important from
1515 reviews

Ease of Use
Great product, easy to install with no issues.

The Pentair R171096 Rainbow 320 Automatic in-Line Chlorine/Bromine Feeder is designed for both pools and spas. Its main advantage is the lack of special venting requirements, making installation straightforward. The feeder is permanently installed into the return line of your pool or spa, which can be a convenient feature for those looking for a long-term solution.

It can hold a substantial amount of chlorine or bromine tablets, with a capacity of up to 11 large or 98 small tablets, providing consistent and continuous water sanitation. This ensures your pool stays clean and healthy with minimal effort on your part. The feeder is made from durable PVC, which is a common and reliable material for pool equipment, ensuring longevity and resistance to pool chemicals.

However, the unions are not included, which might require an additional purchase and could complicate the installation process for some users. Additionally, its size and weight (14 x 26 x 46 inches, 4.5 pounds) should be considered to ensure it fits well within your pool setup. This product is ideal for pool owners looking for a reliable, high-capacity chlorine dispenser that provides ongoing water sanitation with minimal maintenance.

Rating
9.8
Ease of Use

Most important from
1515 reviews

Ease of Use
Great product, easy to install with no issues.

Buying Guide for the Best Swimming Pool Chlorine Dispensers

Choosing the right swimming pool chlorine dispenser is essential for maintaining clean and safe water in your pool. Chlorine dispensers help to evenly distribute chlorine, which is crucial for killing bacteria and keeping the water clear. When selecting a chlorine dispenser, consider the size of your pool, the type of dispenser, and how much maintenance you are willing to perform. Here are some key specifications to help you make an informed decision.
Type of DispenserThere are several types of chlorine dispensers, including floating dispensers, in-line dispensers, and automatic chlorinators. Floating dispensers are simple and affordable, suitable for smaller pools or spas. In-line dispensers are installed directly into the pool's plumbing system and are ideal for medium to large pools. Automatic chlorinators are more advanced and can be programmed to release chlorine at specific intervals, making them perfect for those who want a low-maintenance option. Choose the type based on your pool size and maintenance preference.
CapacityThe capacity of a chlorine dispenser refers to how much chlorine it can hold at one time. This is important because it determines how often you will need to refill the dispenser. Smaller dispensers may need to be refilled more frequently, which can be inconvenient for larger pools. Larger capacity dispensers can hold more chlorine, reducing the frequency of refills. Consider the size of your pool and how often you are willing to refill the dispenser when choosing the capacity.
AdjustabilityAdjustability refers to the ability to control the rate at which chlorine is released into the pool. This is important for maintaining the correct chlorine levels, which can vary based on pool usage and weather conditions. Some dispensers have adjustable settings that allow you to increase or decrease the chlorine output. If you want more control over your pool's chlorine levels, look for a dispenser with adjustable settings.
MaterialChlorine dispensers are typically made from plastic or other durable materials that can withstand exposure to chlorine and UV rays. The material is important because it affects the longevity and durability of the dispenser. High-quality materials will last longer and perform better over time. Look for dispensers made from UV-resistant and chlorine-resistant materials to ensure they can handle the harsh pool environment.
Ease of UseEase of use is a key factor, especially if you prefer a low-maintenance pool care routine. Some dispensers are easier to fill, adjust, and maintain than others. Floating dispensers are generally the simplest to use, while in-line and automatic chlorinators may require more setup but offer greater convenience in the long run. Consider how much time and effort you are willing to invest in maintaining your chlorine dispenser when making your choice.

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