Best Inline Chlorine Dispensers

Peter | 29-01-2026

In this article, we will explore the Best Inline Chlorine Dispensers that are now on the market. In addition to that, we have provided you with a detailed guide that will assist you in choosing the right product. We really hope that by looking through the reviews of the top Best Inline Chlorine Dispensers products that we’ve provided below, you’ll be able to quickly narrow your choices and select the one that best satisfies your needs.

We have spent lots of time testing. According to our research, we think XtremepowerUS Best Inline Chlorine Dispensers is the best overall. For more of our top picks, read on! Also, check out our buying guide for some tips on how to choose the right Best Inline Chlorine Dispensers.

Editor's Choice
HYDROTOOLS By SWIMLINE 8750 Super Premium In-Line Automatic Chlorine Feeder Chlorinator Adjustable
HYDROTOOLS By SWIMLINE 8750 Super Premium In-Line Automatic Chlorine Feeder Chlorinator Adjustable
Premium Pick
Poolzilla Free Standing Automatic Chlorinator Above Ground Pool - Inground Pool Chlorinator, Inline
Poolzilla Free Standing Automatic Chlorinator Above Ground Pool - Inground Pool Chlorinator, Inline
Budget Pick
Auto/Matic Pool Chlorine/Brominer Feeder Compatible with Rainbow 320 Inline Chlorinator for
Auto/Matic Pool Chlorine/Brominer Feeder Compatible with Rainbow 320 Inline Chlorinator for

Top 10 Best Inline Chlorine Dispensers

We researched and compared the top products in the Best Inline Chlorine Dispensers category to provide you with these recommendations.

1. XtremepowerUS Inline Automatic Chlorinator Chemical Chlorine Feeder for Above Ground Pool, Inground

XtremepowerUS Inline Automatic Chlorinator Chemical Chlorine Feeder for Above Ground Pool, Inground
8

Xtremepowerus

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  • Inline Design - The In-line chlorinator is designed for installation in the pool water return line. It is quick and easy to install this chlorinator in your pipe line after the heater and filter system
  • Automatic Pool Chlorinator - Keep your pool clean without all the hassle. This chlorinator connects directly into your pool equipment piping. Our Automatic Chlorinator makes it easier to keep your pool water clean
  • Pool Chlorine Dispenser - Inline chlorinator is fully adjustable with a dial control valve. This allows you to regulate the speed at which the chlorine or bromine tablets and pucks dissolve. This tank accepts 3-inch slow dissolve tablets
  • Features - Easy threaded cover for safe & convenient access to add tablets or sticks. Tank capacity is 9 lbs for slow dissolve 3" Trichlor chlorine or Bromine tablets. Dial control valve lets you control and adjust the rate of feed. This unit is made of heavy-duty resin for long lasting life
  • Specification - Our automatic chlorinator can be used with above ground pools or small in-ground pools. It is built with heavy-duty resin **Chlorine Tablets Sold Separate ASIN: B0CHX9MGP3 | B0CHXNZW73 | B0CHX7VP4S| B0CHX4GJ5J

2. Poolzilla Free Standing Automatic Chlorinator Above Ground Pool - Inground Pool Chlorinator, Inline

Poolzilla Free Standing Automatic Chlorinator Above Ground Pool - Inground Pool Chlorinator, Inline
8.9

Poolzilla

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  • Premium Design Effortlessly manage and control your levels with the dial adjustment valve. This product is corrosion-proof and can be easily installed into your existing system.
  • For Up To Accommodates up to 4-LBS of tablets, the dial control valve makes it easy to adjust the feed rate.
  • Measurements 14'' IN x 5.5'' IN x 5.5" IN -- works with both 3" and 1" stabilized tablets.
  • Compatibility This product is designed to fit standard 1.5" PVC, enabling it to be used with a range of above-ground or in-ground filters and pumps.
  • 100% Assurance Policy Poolzilla cares deeply about the integrity of our products. We promise a risk-free shopping experience fully backed by our Quality Control, Customer Service and Technical Support Teams, located in New Jersey.

3. HYDROTOOLS By SWIMLINE 8750 Super Premium In-Line Automatic Chlorine Feeder Chlorinator Adjustable

HYDROTOOLS By SWIMLINE 8750 Super Premium In-Line Automatic Chlorine Feeder Chlorinator Adjustable
9.1

Swimline

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  • {AUTOMATIC CLEAN} The Hydrotools Automatic Chlorine Feeder series constantly works in the background to dissolve and distribute chlorine or bromine into your pool to produce crystal clear water for your swimming pool or spa. Saves time and chlorine
  • {SIMPLE OPERATION} Hydrotools SNAP-LOCK technology allows for a tight seal and easy access to safely apply tablets or rods via its secure finger release lid. The chlorinator comes with an integrated 360 adjustment dial to customize output level
  • {EASY INSTALL} Its Universal design serves as a simple replacement or addition to your existing pool or spa equipment. No need to use expensive services or complicated tools to implement works automatically with your pool filter and pump
  • {HYDROTOOLS QUALITY GUARANTEED} Constructed with commercial grade thermoplastic built to withstand corrosion, UV rays and long-term wear and tear. Features double reinforced assembly system for superior strength, durability, and longevity
  • {PRODUCT SPECIFICATIONS} Chlorinator comes with Plumbing Accessory Kit; 2 Inch Hybrid Inlet and Outlet; works with large or small slow dissolving tablets; 9 Lbs Capacity; Pairs well with Hydrotools Sand and Cartridge filter systems
  • {HYDROTOOLS PRO TIPS} Item 8750; Compatible with chlorine and Bromine (DO NOT MIX); Works perfectly as a replacement feeder for existing top brand chlorinators; Hydrotools is an independently operated brand

4. Auto/Matic Pool Chlorine/Brominer Feeder Compatible with Rainbow 320 Inline Chlorinator for

Auto/Matic Pool Chlorine/Brominer Feeder Compatible with Rainbow 320 Inline Chlorinator for
8.9

Huayour

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  • Perfect compatibility: This 320 in-line chlorinator and brominator is compatible with rainbow 320 online chlorinator. It is easy to maintain and replace parts r171096 and r17-1096.
  • High quality: The auto/matic pool chlorinator is made of high-quality abs material throughout. The thickened interior and water inlet hose make it sturdy and durable, is not easy to oxidation and damage, with a long service life, saving you more time and cost. In addition, the upgraded drainage system is fast, convenient and reliable in operation, which helps to better manage the swimming pool.
  • Powerful functions: The pool chlorine feeder adopts a closed-loop system and multi-functional design, featuring a powerful chlorination function. It can be effectively applied to underground and above-ground swimming pools, as well as spa pools/hot tubs. By continuously and automatically adding chlorine or bromine tablets, it keeps the water quality of the swimming pool/spa pool clear and healthy.
  • Upgraded design: A thickened o-ring has been added inside the 320 chlorinator cover to enhance the overall sealing performance. The top is designed with an exhaust plug, which solves the problem of excessive internal pressure. The bottom discharge port can conveniently discharge the residual liquid in the feeder, making it easy to clean. The control valve can conveniently control and close the flow rate. The upgraded control valve is more flexible and durable.
  • Simple installation and use: Our chlorinator is fully equipped with accessories and comes with a user manual, making installation and use simple. No complex modifications or professional assistance are required to quickly restore the normal operation of the 320 system. Moreover, we offer one year of after-sales service. If you have any questions, please contact us.

5. ProMotus Automatic Pool Chlorinator, in-Line Chlorine Feeder for Inground & Above Ground Pools, with

ProMotus Automatic Pool Chlorinator, in-Line Chlorine Feeder for Inground & Above Ground Pools, with
8.7

Promotus

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  • 9LBS Tank FOR LARGE POOLS: Specifically engineered for swimming pools up to 40,000gallons,. The extra large 9lbs tank accommodates 3-inch tablets(tablet not included), consistnt pool maintenance
  • UNIVERSAL 1.5" IN-LINE INSTALLATION: Features standard 1.5-inch external threads into your plumbing. This professional-grade feeder is a reliable replacement for standard in-line models
  • POOL CHLORINE DISPENSER: Equipped with a dial control valve, allowing you to regulate the flow rate.
  • HEAVY-DUTY : Built with durability materials designed to keep long-lasting performance,designed with a heavy-duty O-ring and a secure-lock threaded lid
  • NOTE: Chlorine tablets are NOT included. This is an empty distribution device only

6. SWIMLINE HYDROTOOLS 87501 Economy In-Line Automatic Chlorine Feeder Chlorinator Adjustable Output

SWIMLINE HYDROTOOLS 87501 Economy In-Line Automatic Chlorine Feeder Chlorinator Adjustable Output
8.5

Swimline

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  • {AUTOMATIC CLEAN} The Hydrotools Automatic Chlorine Feeder series constantly works in the background to dissolve and distribute chlorine or bromine into your pool to produce crystal clear water for your swimming pool or spa. Saves time & chlorine!
  • {SIMPLE OPERATION} Hydrotools double reinforced lid allows for a tight seal & easy access to safely apply tablets or rods. The chlorinator comes with an integrated 360 adjustment dial to customize output level
  • {EASY INSTALL} Its Universal design serves as a simple replacement or addition to your existing pool or spa equipment. No need to use expensive services or complicated tools to implement works automatically with your pool filter and pump
  • {HYDROTOOLS QUALITY GUARANTEED} Constructed with commercial grade thermoplastic built to withstand corrosion, UV rays & long-term wear and tear. Features double reinforced assembly system for superior strength, durability, & longevity
  • {PRODUCT SPECIFICATIONS} 2 Inch Inlet & Outlet Connection Points; works with large or small slow dissolving tablets; 4.2 Lbs Capacity; Pairs well with Hydrotools Sand & Cartridge filter systems
  • {HYDROTOOLS PRO TIPS} Item # 87501; Compatible with chlorine & Bromine (DO NOT MIX); Works perfectly as a replacement feeder for existing top brand chlorinators; Hydrotools is an independently operated brand

7. 320 Pool Chlorinator Compatible with pentair Rainbow R171096 Automatic Inline Chlorine/Bromine

320 Pool Chlorinator Compatible with pentair Rainbow R171096 Automatic Inline Chlorine/Bromine
8.3

Pomeade

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  • 320 FunctionalThe Rainbow 320 pool feeder can handle 6500 to 27000 gallons of water at the bottom and 18000 to 70000 gallons of water at the top.
  • Upgrade DesignFirstly, we added white thickened gaskets to the top lid to enhance the overall sealing and avoid leakage; secondly, we designed an exhaust plug at the top to solve the problem of excessive internal pressure.Finally, the upgraded control valve is more flexible and durable.
  • High QualityThe 320 automatic in-line pool and spa feeder is constructed of ABS material throughout, with a thickened interior and inlet hose to increase its longevity and save you more time and money.
  • Installation InstructionsThe R171096 Pool Feeder is suitable for installation behind heaters, cleaners and filters. If there is no heater, it can be installed directly after the filter, please pay attention to the installation order. Also, please clean the water inlet hose regularly to avoid clogging.
  • AttentionOur products include all the accessories you need, no need to buy extra. If you have any problems with your product, please let me know and we will do our best to help you.

8. R171096 Rainbow 320 Automatic in-Line Chlorine/Bromine Feeder for Inground & Above Ground Pools and

  • Automatic Pool Tablet FeederThe Rainbow 320 is an in-line feeder designed for pools and spas. It automatically adds tablets into the circulation system, making water care easier and more consistent.
  • Flexible Tablet CapacitySupports up to 11 large or 98 small tablets to fit your pools needs. Suitable for both bottom feed (6,50027,000 gallons) and top feed (18,00070,000 gallons) setups, this inline feeder works with a wide range of pool volumes.
  • Continuous & Convenient OperationOnce connected to your filtration system, the pool tablet dispenser provides a steady release of tablets. This helps maintain balanced water conditions for weeks with less manual handling.
  • Durable Materials & Easy InstallationBuilt from corrosion-resistant materials for long-lasting use. Standard fittings allow quick, reliable installation into most inground and above-ground pool plumbing systems. Designed for a secure connection with minimal maintenance.
  • Ideal for Pool & Spa CarePerfect for seasonal or year-round use, this feeder supports consistent water management in residential pools, spas, and hot tubs, keeping water fresh and swimmer-friendly.
  • Service SupportWe guarantee the quality of R171096 pool feeder. If you have any questions or concerns, our customer support team is ready to assist you. Enjoy peace of mind with our 30-Day Satisfaction Guarantee and 12-Month Warranty for any quality-related issues.

9. CL200 in-line Automatic Pool Chlorinator Compatible with Hayward Chlorinator for Above Ground Pools

  • [Automatic Pool Chlorinator]: CL200 inline Automatic Chlorinator is a perfect replacement for the Hayward CL200 In-Line Automated Academic Feeder and can be connected directly into your pool return line. Helps you keep your pool water cleaner with less effort
  • [Ideal Choice]: The CL200 Automatic Chlorinator can be used for above ground pools or inground pools. It is made of heavy-duty resin and comes with fittings for 2-inch pipe for easy installation. Suitable for pools up to 40,000 gallons.
  • [Pool Chlorine Dispenser]:The in-line chlorine dispenser allows you to adjust the feed rate through a dial control valve. This allows you to adjust the rate at which chlorine or bromine tablets and disks dissolve. A unique finger release latch provides extra safety for the operator
  • [Upgraded Design]: Hayward cl200 chlorinator has EASY-LOCK threaded cap for safe and easy addition of tablets or sticks. Durable ABS valve body and high quality Viton seals for extended life. CL200 Inline Automatic Chlorinator ideal for saving time and maintenance costs
  • [PLEASE NOTE]: Please read the operating procedures and operating instructions on the chlorinator body carefully before use. For your safety, please strictly follow the operating instructions. If you have any questions about product performance and suitability, please contact us, we provide 7/24H online service

10. R171096 Pool Chlorinator, 320 Automatic in-Line Chlorine/Bromine Feeder Compatible with Rainbow 320,

R171096 Pool Chlorinator, 320 Automatic in-Line Chlorine/Bromine Feeder Compatible with Rainbow 320,
7.7

E-cowlboy

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  • Compatible Replacement Designed as a perfect replacement for Pentair R171096 and Rainbow 320 chlorinator, fully compatible with most pool and spa return lines.
  • Chlorinator Function - Wide Capacity RangeThe 320 pool feeder features a closed circulation design and supports up to 11 large or 98 small tablets. It is suitable for pools and spas of different sizes, handling 6,50027,000 gallons (bottom feed) and 18,00070,000 gallons (top feed) with flexible capacity coverage.
  • Automatic Flow Control Adjustable control valve provides steady and customized output, no manual monitoring needed.suitable for pools ranging from 6,50070,000 gallons.
  • Safe Closed System Fully enclosed feeder prevents direct contact with tablets, offering safer operation for families with children and pets.
  • Low Maintenance Equipped with a bottom drain plug for quick cleaning, reducing blockages and extending the feeders service life.
  • Easy Installation Comes with 2" slip PVC fittings & 1.5" adapters, can be installed behind heaters, cleaners, or filters; if no heater, install directly after the filter.
  • Leak-Proof Upgrade Thickened gasket, dual O-ring seal, and top vent plug effectively prevent leaks and pressure buildup for safer operation.
  • Cost-Effective Alternative Offers the same performance as OEM parts at a fraction of the cost, making it a smart replacement for Pentair R171096 / Rainbow 320.
  • Durable ABS Material Made of high-quality ABS, this is factory-tested over 10,000 cycles for durability. It resists corrosion and wear, ensuring a longer service life even under outdoor conditions.
  • Warranty Included for Peace of Mind All products come with a 12-month warranty against quality-related issues and a 30-day money-back guarantee, ensuring that you can buy with confidence. Our dedicated customer service team is ready to assist you.

Peter

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