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The 8 Best automatic pool chlorinators of 2024

Are you trying to find automatic pool chlorinators among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling automatic pool chlorinators on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 26 hours of research and did 59 automatic pool chlorinators tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best automatic pool chlorinators you can buy today

SaleNo. 1
Singry CL220 Off-line Pool Automatic Chlorinator Feeder Compatible with Hayward Off line Chlorinator Easy Installation, ABS Material, Easy to Use Automatic Chlorine
  • High quality: The main body is made of high-quality ABS material, the sealing part is made of high-density sealing material, and the lid is designed with a one-key easy-to-disassemble plate design, which can be easily installed and disassembled, making it longer and more durable. Can meet the use of functional requirements.
  • Simple installation: The offline chlorinator can be easily installed into your existing pump or filter production line. It is not original, but the quality meets the OEM standard, compatible with Hayward, and the installation is very simple and easy to operate.
  • Automatic function: You only need to put large or small chlorine tablets, rods or bromine tablets into the top placement cover, CL220 can easily and automatically process, so as to achieve the function of purifying tap water.
  • Upgrade content: The water inlet and outlet adopt a spiral design, the outer diameter is 2 inches, the inner diameter is 1-1/2 inches, suitable for applications with a flow rate of 50 gpm to 90 gpm. The package also includes a detailed English manual, which can be Make installation easier and more convenient.
  • After-sales service: We have good after-sales service and professional after-sales service engineers. One year product return and exchange service, 100% money-back guarantee, as long as you have any questions after signing the receipt, please contact us, we will give you a satisfactory answer and solution within 24 hours.
No. 2
CL200 in-line Pool Chlorinator Compatible with Hayward CL200, Automatic Chlorinator Feeder for Inground Pool
  • 【Automatic Pool Chlorinator】: This CL200 chlorinator for above ground pool works automatically, even when you’re away from home or out of town. Our CL200 in-line automatic chlorinator can automatically inject the injected chlorine tablets, rods or bromine tablets into the flowing water, and then enter the above-ground pool to achieve the purification effect.
  • 【Easy to Use】: easy to screw and unscrew the lid, there's a tab you press in and then spin the top to unscrew, when screwing back on keep screwing down until the tab clicks back into place.
  • 【Thread】: Use PVC pipes to easily install it on new equipment. This automatic chlorinator is furnished 1.5” female threads.Socket adapters may also be used.Use Pipe thead sealants formulated and approved for the use with plastic connections. Do not over tighten.
  • 【Convenient Design】: CL200 chlorinator feeder designed with a 360° knob controls the pressure release level, and the feed speed can be easily adjusted.
No. 3
Hot Tub/Spa/Pool Chlorine Floater Chlorinator/Bromine Floater, Chemical Floating Dispenser for Pools, Premium Automatic Tablets Floaters,YLYL
  • SPA/HOT TUB/POOL CHLORINE FLOATER CHLORINATOR/BROMINE FLOATER: Adjustable bottom vents for proper chemical dispensing, great for holding 1.5”, Twist-lock cap keeps stored chlorine secure!
  • ADJUSTABLE AND AUTOMATICALLY: Chemical floating chlorine dispenser for pools have easy to remove twist lock lid, adjustable for custom dosage amounts, automatically releases chlorine/bromine into your pool, simple and easy to use!
  • MATERIAL: Chlorine tablets floatermade from premium durable ABS plastic, pool chlorine floater can be used all year, one chlorine tablets floater can be used for many years! Fits 1.5 inch Tablet Holder Automatic Chlorine Tablets Floaters.
  • WIDELY APPLICABLE: Tall: 5.2"/13.2 cm, Diameter: 4.92"/12.5cm perfect size for spa small pool, above ground pool, kid water park, Inflatable pool, etc, blue and white design that blends into any spa.
  • SATISFACTION GUARANTEED: Our team is committed to providing every customer with good spa/hot tub/pool chlorine floater chlorinator/bromine floater and satisfactory service. If there are any problems with our chemical floating chlorine dispenser for pools, contact us and we would be very happy to solve your problems. Be sure to Add to Cart.
No. 4
Pentair Rainbow 300-29X Off-Line Automatic Pool Chemical Feeder - R171070
  • Pentair Model: R171070
  • Automatically sanitizes pools using chlorine or bromine tablets and sticks with a 13 pound capacity
  • Off-line model retrofits into existing equipment plumbing with 1/4 inch feeder hose
  • Features a heavy duty control valve for accurate feed rate adjustments
  • Includes vent valve, lock ring, screen and check ball, flow-through circulation, external dial control and drain valve
No. 5
CL200 Inline Automatic Chlorinator - Compatible with Hayward CL200 Chlorinator Feeder for Inground/Above Ground Pools - High-Strength ABS Material -Easy Installation and Detailed Instructions Included
  • ❤【Professional Quality】This CL200 in-line chlorinator has undergone ten years of testing and optimization across six generations of versions, ensuring its exceptional performance in material, design, and functionality. As professional chlorinator sellers, we firmly commit to the quality and durability of our products. Don't waste your money on cheap products, choose our CL200 in-line chlorinator for lasting, reliable results.
  • ❤Function: Please add chlorine tablets, sticks or tablets to the automatic chlorinator, then this Cl200 in-line chlorinator will automatically injects these chemical elements into the flowing water, and then enter the above-ground pool to achieve the purification effect. Our In-line chlorinators can handle more than 40,000 gallons of water.
  • ❤Specification: This cl200 chlorinator has been crafted in accordance with the specifications of the hayward cl200 chlorinator feeder, with a 2-inch outer spiral for the inlet and outlet, and a 1-1/2 inch inner spiral. The package includes comprehensive instructions to ensure effortless setup and use.
  • ❤High-quality materials: The CL200 chlorinator for inground pools is made of high-grade ABS material, which enhances its corrosion resistance and extends its service life. Additionally, it features high-quality fluorine rubber sealing rings that make it safer and more durable. To prevent O-rings from breaking due to excessive pressure, regular lubrication is needed every 2 weeks. Please keep this in mind. You can trust and rely on this CL200 in-line chlorinator to meet your swimming pool needs.
  • ❤Easy and Safe Operation: This CL200 chlorinator is designed based on the Hayward CL200 chlorinator. It is equipped with an Easy-Lok nut on the top for safe and convenient placement of chlorine tablets.The 360°pressure release knob enables easy adjustment of the water flow rate of the 2-inch water inlet and outlet, as well as the feeding speed.All operations are conducted under highly secure conditions, providing you with a safer and more convenient chlorination experience.
  • ❤ We offer a 2-year after-sales guarantee. If you encounter any problems during use, do not hesitate to contact us! Whether you need a replacement or a full refund, we will provide support. Enjoy 100% risk-free shopping with us, experience the difference of a professional-grade CL200 Inline Automatic Chlorinator today!
SaleNo. 6
Poolzilla Automatic Chlorinator | for In-ground Swimming Pools | in-line Chlorine Feeder | Holds Up to 9 Pounds of Tablets
  • Use and regulate your chlorine level effortlessly. Dial adjustment valve controls sanitizer flow. Corrosion-proof. Installs easily into existing filter system. In-Line feeders require PVC plumbing. Off-line feeders tap into the existing PVC.
  • HOLDS 9 LBS OF CHLORINE TABLETS - Small or large, slow dissolving, Trichlor tablets -Dial control valve allows for simple feed rate adjustment.
  • Easy-Lok threaded cover for safe access to add tablets.
No. 7
Pentair R171218 Rainbow 320C Automatic In-Line Chlorine/Bromine Feeder For Pool And Spa - Amber Body
  • Rainbow 320 (cylinder) automatic chlorine/bromine in-line pool and spa feeder
  • Holds 11 large or 98 small bromine or slow dissolving trichlor tablets
  • Treats 6500 to 27000 gallons in a bottom feed configuration and 18000 to 70000 gallons in a top feed configuration with see-through amber body
  • Completely enclosed system, no special venting required
  • Measures 17-3/4 H x 5 W x 10 D Inches
No. 8
MAYGO Standing Automatic Chlorinator Above Ground Pool - Inground Pool Chlorinator 9lb (Chlorinator Replacement Hayward CL200)
  • Free Standing Automatic Chlorinator Above Ground Pool - Inground Pool Chlorinator, Inline Pool Filter, Chlorine Feeder - for Slow Dissolving Trichlor Tablets or Bromine Tablets - 9lb Tank
  • The 360° omnidirectionally designed control knob at the bottom can well control the speed of the water inlet and outlet, and can easily adjust the feeding speed and frequency, which is convenient and practical.
  • Off-line Automatic Pool Chlorinator for Swimming Pool Ponds,accessory is suitable for hard pipes of 1.25in and 1.5in. If you are a hose, the sizes are 1.2598in(32millimeter) and 1.4960in(38millimeter). It depends on whether you are using hard pipes or corrugated pipes (hoses)
  • Slowly dissolving tablets,can meet different water quality needs.
  • The chlorinator plugs directly into your pump and filter
No. 9
CLX200K Pool Chlorinator Lid O-Ring for Hayward CL200/CL220 (2/Pack)
  • ✍ CLX200K Pool Chlorinator Lid O-Ring for Hayward CL200/CL220
  • ✍ Size : Approximately 5.2" Inside Diameter x 5.5" Outside Diameter x 0.2" Thickness
  • ✍ Fits for Hayward CL200/CL220 Pool Chlorinator Resistant Chemical Feeder Lid
  • ✍ Notice: Seals cap to feeder body preventing chlorine gas leaks
  • ✍ The CLX200K O-rings are made of chlorine resistant viton rubber and are of high quality rubber
No. 10
320 Pool Chlorinator Compatible with pentair Rainbow 320 Chlorinator 171096 Automatic Inline Chlorine/Bromine Feeder, 320 Chlorinator Can Handle Up to 70000 Gallons of Water
  • 【Functional Features】320 chlorinator is mainly designed to purify the swimming pool. It uses a closed circulation system to work, bringing you a safe, clean and convenient life. The Rainbow 320 chlorinator can handle 6500 to 27000 gallons of feed at the bottom and 18000 to 70000 gallons of feed at the top. The chlorinator can accommodate up to 11 large or 98 small chlorine/bromine tablets. It is recommended that you make a reasonable proportion according to the size of your swimming pool.
  • 【Chlorinator Design】First, we designed a white thickened gasket for the chlorinator cover to enhance the overall sealing and avoid leakage; Secondly, we designed an exhaust plug at the top to discharge gas, which solved the problem of excessive internal pressure caused by chlorine reaction.
  • 【Chlorinator Design】Third, the upgraded control valve is more convenient and flexible in controlling flow and closing; Fourth, the bottom drain is designed to facilitate the drainage of accumulated liquid and keep the interior dry; Fifthly, the 1/4 inch feeding hose serves as the conveying function to provide clean water for the swimming pool.
  • 【High Quality Material】The 320 chlorinator is made of ABS material as a whole, and the inner wall and feeding hose are thickened and combed to increase the function of oxidation resistance and corrosion resistance, improve the service life of the 320 chlorinator, and save you more time and cost. The high-quality 320 swimming pool chlorinator allows you to enjoy a clean and safe leisure time.
  • 【Installation Convenience】320 chlorinator is suitable for installation after heater, cleaner and filter. If there is no heater, it can be installed directly behind the filter. Please pay attention to the installation sequence. At the same time, please keep the feeding hose cleaned regularly to reduce the speed of blockage and corrosion.
  • 【Our Commitment】The brand new 320 chlorinator and required accessories, free return and replacement service and 3-month warranty guarantee your rights and interests. Of course, if you encounter any problem in the process of receiving or using, please feel free to contact us, and we will solve the problem for you in time.Note: The 320 chlorinator is not produced or sold by pentair.

How to choose a good automatic pool chlorinators

Does the idea of finding a fantastic automatic pool chlorinators make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in automatic pool chlorinators. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top automatic pool chlorinators products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top automatic pool chlorinators on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top automatic pool chlorinators brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top automatic pool chlorinators based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the automatic pool chlorinators were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good automatic pool chlorinators, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your automatic pool chlorinators.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting automatic pool chlorinators for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our automatic pool chlorinators. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what automatic pool chlorinators should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on automatic pool chlorinators.