10 Best Automatic Chlorinators 2025 in the United States

The Hayward W3AQR3 AquaRite Salt Chlorination System is a suitable choice for in-ground pools up to 15,000 gallons, leveraging Hayward's reputable brand and the best-selling status of its salt system family. A major strength of this system is the delivery of soft, naturally sanitized water that avoids the common issues of eye irritation, dry skin, and fabric fading. This makes the pool experience more enjoyable and relaxing.

Additionally, the chlorine cost savings of up to 50% and the elimination of storing and mixing harsh chemicals offer significant convenience and cost-efficiency over time. The unit also promises to reduce harsh chlorine odors, enhancing the pool environment.

However, the unit's weight of 23.2 pounds and dimensions (18.3 x 14.1 x 8.4 inches) may require careful consideration during installation. Although Hayward is known for durable and high-quality products, the initial installation and maintenance might pose challenges for users with limited technical skills. This system is ideal for pool owners looking for a less hands-on approach to chlorination, who value ease of maintenance and the benefits of softer, odor-free water.

The Hayward CL200 In-line Automatic Chemical Feeder is a versatile and user-friendly option for maintaining pool water quality. It accommodates both large and small slow-dissolving chlorine tablets, making it flexible for various pool sizes and usage patterns. The dial control valve offers easy adjustment of the feed rate, allowing users to fine-tune chlorine levels based on their specific needs. Adding tablets is straightforward with its Easy-Lok threaded cover, designed for safe and convenient access, while the unique finger-release catch enhances security, ensuring the feeder remains securely closed during operation.

Constructed from durable ABS plastic and equipped with a high-quality Viton seal, the CL200 is built to last and resist wear, contributing to its long life and reliability. The material choice also helps in preventing corrosion, which is a significant benefit for pool maintenance equipment. Installation is relatively simple thanks to its in-line design, but users should ensure compatibility with their pool's flow rate.

Maintenance is also straightforward, largely due to the accessible design features. However, some users may find the weight of the unit (0.25 pounds) surprisingly light, which could raise concerns about its stability in certain setups. Despite this, the Hayward CL200 is a strong contender for anyone looking for a reliable and easy-to-use automatic chlorinator, particularly for those who value durability and ease of maintenance.

The Pentair R171096 Rainbow 320 Automatic in-Line Chlorine/Bromine Feeder is a practical solution for maintaining clean and healthy pool or spa water. It is designed for permanent installation in the return line of new or existing pools or spas, making it convenient for a wide range of setups.

This chlorinator can hold up to 11 large or 98 small bromine or slow-dissolving trichlor tablets, ensuring you have ample chlorine supply to maintain consistent water sanitation. One of the key strengths of this product is its ease of installation—no special venting is required, and it comes standard with 2