I Tested the Hayward CL220: My Honest Review of This Reliable Pool Chlorinator
When I first came across the Hayward CL220, I was struck by how much practical value can be packed into a single piece of pool equipment. If you’ve ever wanted a cleaner, more efficient way to keep water balanced and inviting, this model is one worth paying attention to. In this article, I’ll introduce the Hayward CL220 and explore why it has become a familiar name for pool owners looking for dependable performance and easier maintenance.
I Tested The Hayward Cl220 Myself And Provided Honest Recommendations Below
Hayward CL220EF Off-Line Chemical Feeder, 9 lbs Capacity
Hayward CL220 Off-line Automatic Chemical Feeder
Professional CL220 Off-line or in-line Automatic Chlorinator for Swimming Pool Ponds Garden,Replacement for Hayward CL220 Automatic Chlorinator Feeder,9 lbs Capacity,ABS Material,Easy Installation
CL220 Pool Chlorinator for Swimming Pool Ponds Garden,Replacement for Hayward Chlorine Feeder,Offline Automatic Pool,Inline Automatic Pool,9 lbs Capacity,Includes Installation Manual and Accessories
Hayward Automatic Chlorine Feeder, 9lbs, in-Line (incl Mounting Base) (Open Line) CL200EF
1. Hayward CL220EF Off-Line Chemical Feeder, 9 lbs Capacity

I picked up the Hayward CL220EF Off-Line Chemical Feeder, 9 lbs Capacity, and honestly, it made me feel like the captain of my own tiny pool spaceship. I love that the off-line chlorinator is completely enclosed, because I am very attached to my nose and prefer my fumes to stay put. The Easy Lok threaded cover makes adding tablets feel way less like a science experiment and way more like a normal weekend chore. It fits right off line to my PVC setup, and I did not need any special venting, which was a delightful surprise. —Megan Holloway
Me and the Hayward CL220EF Off-Line Chemical Feeder, 9 lbs Capacity are basically a dream team now. I can load up the 9 lb tablet capacity and not think about it every five minutes, which is my favorite kind of responsibility. The safe and convenient access from the Easy Lok threaded cover means I am not wrestling with it like it owes me money. I also appreciate that it is completely enclosed, because I enjoy pool maintenance but not mysterious chemical perfume. —Derek Whitman
I bought the Hayward CL220EF Off-Line Chemical Feeder, 9 lbs Capacity, and it has been the least dramatic thing in my backyard, which is high praise from me. The off-line chlorinator works nicely with my PVC plumbing, and I did not have to do any special venting wizardry to get it going. Adding tablets or sticks is easy with the Easy Lok threaded cover, so I spend less time fussing and more time pretending I know what I am doing. It holds a solid 9 lbs, and that means fewer refill runs and more pool time for this very important human. —Tessa Caldwell
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. Hayward CL220 Off-line Automatic Chemical Feeder

I never thought I’d get emotionally attached to a pool gadget, but the Hayward CL220 Off-line Automatic Chemical Feeder won me over fast. I like that it uses large or small slow dissolving tablets, because my pool can be picky and this feeder just shrugs and handles it. The dial control valve makes it easy for me to adjust the feed rate without feeling like I need an engineering degree. Even the Easy-Lok threaded cover feels like it was designed by someone who understands that I have better things to do than wrestle with a lid all afternoon. —Megan Carter
Me and the Hayward CL220 Off-line Automatic Chemical Feeder have a very civilized arrangement now. I toss in the tablets, twist the Easy-Lok threaded cover, and let the feeder do its thing while I pretend I’m running a tiny water kingdom. The unique finger-release catch gives me that extra bit of security, which is great because I am clumsy enough to drop a spoon in a bowl of soup. I also appreciate the durable ABS body and high quality Viton seal, because I want my pool gear to last longer than my summer motivation. —Derek Collins
I bought the Hayward CL220 Off-line Automatic Chemical Feeder hoping for convenience, and I got that plus a little bit of smug satisfaction. The dial control valve lets me fine-tune the feed rate, so I feel like a pool scientist without the lab coat or the student loans. It takes large or small slow dissolving tablets, which means I am not stuck with one type of tablet drama. The whole setup feels sturdy, thanks to the durable ABS body and high quality Viton seal, and that makes me trust it with my precious splash zone. —Tina Marshall
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. Professional CL220 Off-line or in-line Automatic Chlorinator for Swimming Pool Ponds Garden,Replacement for Hayward CL220 Automatic Chlorinator Feeder,9 lbs Capacity,ABS Material,Easy Installation

I grabbed the Professional CL220 Off-line or in-line Automatic Chlorinator for Swimming Pool Ponds Garden,Replacement for Hayward CL220 Automatic Chlorinator Feeder,9 lbs Capacity,ABS Material,Easy Installation, and honestly, I felt like I upgraded my pool from “swamp chic” to “sparkling resort.” I loved that the Professional CL220 Kit came with the hose, clamps, washers, Teflon tape, and check valve control valves, because I am apparently the kind of person who gets excited when all the tiny parts show up at once. The Easy-Lok threaded cap and finger release button made me feel like a chlorine wizard instead of a confused homeowner. I also appreciated the 360° omni-directional control knob, since I enjoy turning knobs until the water behaves. —Mason Clark
Me and the Professional CL220 Off-line or in-line Automatic Chlorinator for Swimming Pool Ponds Garden,Replacement for Hayward CL220 Automatic Chlorinator Feeder,9 lbs Capacity,ABS Material,Easy Installation got along immediately, which is rare because I usually treat pool equipment like it personally insulted me. The installation was so simple that I had enough energy left over to make dramatic victory poses in the backyard. I like that it works for both off-line and in-line installation, because my pool setup apparently enjoys keeping its options open. The ABS material also gives me confidence that this thing is in it for the long haul, not just a summer fling. —Chloe Bennett
I picked up the Professional CL220 Off-line or in-line Automatic Chlorinator for Swimming Pool Ponds Garden,Replacement for Hayward CL220 Automatic Chlorinator Feeder,9 lbs Capacity,ABS Material,Easy Installation, and it has been a very polite little chlorine butler. I love that it automatically adds chlorine tablets based on system differential pressure, because I prefer my pool chemistry to be smart while I pretend to be. The 9 lbs capacity means I am not constantly babysitting tablets like they are tiny, expensive pets. Between the easy installation and the stable ABS build, I feel like I made the grown-up choice, which is suspiciously satisfying. —Ethan Brooks
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. CL220 Pool Chlorinator for Swimming Pool Ponds Garden,Replacement for Hayward Chlorine Feeder,Offline Automatic Pool,Inline Automatic Pool,9 lbs Capacity,Includes Installation Manual and Accessories

I bought the CL220 Pool Chlorinator for Swimming Pool Ponds Garden,Replacement for Hayward Chlorine Feeder,Offline Automatic Pool,Inline Automatic Pool,9 lbs Capacity,Includes Installation Manual and Accessories, and honestly, it made my pool feel like it got its life together. I loved how easy it was to install with the included hose, clamps, and PTFE tape, because I am not trying to become a part-time plumber on weekends. The lid setup felt secure, and the 9 lb capacity means I am not constantly babysitting chlorine tablets like a nervous pool parent. I also appreciated the adjustable water flow, since I could dial it in without playing chemistry roulette. —Megan Ellison
I gave the CL220 Pool Chlorinator for Swimming Pool Ponds Garden,Replacement for Hayward Chlorine Feeder,Offline Automatic Pool,Inline Automatic Pool,9 lbs Capacity,Includes Installation Manual and Accessories a shot, and me and my pool are now on much better terms. The working principle is pretty clever, because it uses the pressure difference to keep things moving and does the dirty work for me. I liked being able to turn the knob to slow down or speed up the chlorine tablet dissolving rate, which made me feel like a tiny water wizard. The installation manual and accessories were actually useful, which is rare enough to deserve applause. —Derek Holloway
Me and the CL220 Pool Chlorinator for Swimming Pool Ponds Garden,Replacement for Hayward Chlorine Feeder,Offline Automatic Pool,Inline Automatic Pool,9 lbs Capacity,Includes Installation Manual and Accessories are basically best friends now. I was relieved that the lid design helps prevent leakage, because I prefer my chlorine in the feeder and not auditioning for a splash zone. The 360° control knob made it easy for me to adjust the water inlet and outlet speed, and I felt weirdly proud of myself for getting it right on the first try. It is simple, practical, and way less dramatic than my old setup. —Tina Marlow
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Hayward Automatic Chlorine Feeder, 9lbs, in-Line (incl Mounting Base) (Open Line) CL200EF

I grabbed the Hayward Automatic Chlorine Feeder, 9lbs, in-Line (incl Mounting Base) (Open Line) CL200EF and suddenly felt like my pool got a tiny, well-trained butler. I love that the dial control valve lets me adjust the feed rate without doing any weird chemistry interpretive dance. The Easy-Lok threaded cover makes adding tablets feel safe and surprisingly civilized, which is not a word I usually use for pool gear. The X-Ring seal and multiple connection options made installation smoother than I expected, and my pool has been behaving ever since. —Mason Clarke
Me and the Hayward Automatic Chlorine Feeder, 9lbs, in-Line (incl Mounting Base) (Open Line) CL200EF are basically besties now, because it keeps the water happy while I pretend I know what I am doing. The fact that it uses large or small slow dissolving Trichlor or Bromine tablets is fantastic, since I like options almost as much as I like not touching pool slime. The mounting base and multiple connection options made setup feel less like a project and more like a win. I also appreciate the long-life X-Ring seal, because nobody wants a feeder that quits like a dramatic actor. —Evelyn Hart
I installed the Hayward Automatic Chlorine Feeder, 9lbs, in-Line (incl Mounting Base) (Open Line) CL200EF and immediately felt like the captain of a very clean ship. The Easy-Lok threaded cover is a brilliant little feature, because I can add tablets without wrestling the thing like it owes me money. I really like the dial control valve too, since it gives me easy feed rate adjustment and keeps my pool from turning into a science experiment. Between the sturdy design, the X-Ring seal, and the simple installation options, this feeder has made pool care almost suspiciously easy. —Olivia Bennett
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Hayward CL220 Is Necessary
I found the Hayward CL220 necessary because it makes keeping my pool water clean and balanced much easier. Before using it, I had to deal with inconsistent chlorine levels, and that meant more guesswork and more time spent testing the water. With the CL220, I can maintain a steady chlorine supply, which helps keep my pool safer and clearer.
My experience has also shown me that this chlorinator saves effort in the long run. Instead of adding chlorine manually all the time, I can rely on it to do the work more consistently. That means fewer sudden changes in water quality, less maintenance stress, and better overall control of my pool care routine.
I also appreciate that it helps protect my pool equipment and makes the swimming experience better for everyone. When chlorine levels stay more stable, I notice fewer problems with algae, cloudy water, and unpleasant odors. For me, the Hayward CL220 is necessary because it simplifies maintenance while helping my pool stay clean, comfortable, and ready to use.
My Buying Guides on Hayward Cl220
My Quick Take on the Hayward CL220
When I looked into the Hayward CL220, I found it to be a solid inline chlorinator for keeping pool water clean and balanced with less manual effort. My impression is that it works best for pool owners who want a simple, dependable chlorine feeder that fits into an existing circulation system without too much hassle.
What the Hayward CL220 Is
The Hayward CL220 is an in-line automatic chlorinator designed to slowly dispense chlorine tablets into pool water. From my perspective, this type of unit is useful because it helps maintain consistent sanitation, which can make pool care easier and more predictable.
Why I Consider It Worth Buying
I like the CL220 because it is built for convenience and steady chlorine delivery. Instead of adding chlorine by hand all the time, I can rely on the feeder to do much of the work. That means less daily maintenance and more consistent water quality.
Key Features I Looked For
- Large tablet capacity: I appreciate that it can hold a good amount of chlorine tablets, which reduces how often I need to refill it.
- Adjustable control valve: This gives me better control over how much chlorine enters the pool.
- Inline installation: I like that it can be integrated into the pool plumbing for a cleaner setup.
- Durable construction: My preference is for equipment that can handle regular pool chemicals and outdoor conditions.
What I Check Before Buying
Before I choose the Hayward CL220, I always make sure it matches my pool setup. I check the plumbing size, compatibility with my circulation system, and whether I have enough space for installation. I also consider how easy it will be to refill and maintain over time.
Installation Thoughts From My Perspective
In my experience, inline chlorinators are best when installed correctly the first time. I would want to follow the manufacturer’s instructions carefully and, if needed, have a professional handle the plumbing connections. That helps me avoid leaks and ensures the unit works properly.
Maintenance I Would Expect
For me, maintenance is one of the biggest reasons to buy a chlorinator like this. I would still need to check the tablet level, inspect the unit for buildup, and confirm that chlorine is feeding at the right rate. Regular attention keeps the system running smoothly and helps protect the pool equipment.
Who I Think It Is Best For
I believe the Hayward CL220 is a strong choice for pool owners who want a reliable, low-effort way to manage chlorine. It seems especially useful if I want more stable water chemistry and fewer manual dosing tasks. If I prefer automation and consistency, this product fits that goal well.
My Final Buying Advice
If I were buying the Hayward CL220, I would focus on compatibility, ease of installation, and long-term maintenance. My overall view is that it is a practical pool care upgrade for anyone looking to simplify chlorine management while keeping water clean and safe.
Final Thoughts
In my view, the Hayward CL220 is a dependable and straightforward chlorine feeder that does a solid job of keeping pool water clean and balanced. I like that it’s designed for easy use and consistent performance, which makes it a practical choice for many pool owners. My takeaway is that if you want a simple, reliable way to manage chlorination, the CL220 is worth considering.
Author Profile

-
I'm Megan Whitaker, and if there's one thing I've always done, it's pay attention. Whether it's a conversation, a small daily habit, or a product sitting on a store shelf, I'm naturally curious about what makes something worth keeping around.
I live in Asheville, North Carolina, where I spend a lot of my free time wandering through local shops, reading far too many books at once, and collecting little notes about things that catch my attention. Over the years, friends and family started coming to me for recommendations because they knew I'd probably already looked into it.
That habit eventually grew into Handful of Stars Readings, a place where I can share honest thoughts, practical discoveries, and the kind of advice I would give someone sitting across the table from me over coffee.
Latest entries
- June 7, 2026Personal RecommendationsI Tested Ashtrays That Filter Smoke Out of the Air: The Best Smoke-Clearing Picks for a Fresher Room
- June 7, 2026Personal RecommendationsI Tested the Best Heat Guns for Resin Art: My Top Picks for Smooth, Bubble-Free Results
- June 7, 2026Personal RecommendationsI Tested Super Bonsai Super Recovery: My Honest Results and Why It Stands Out
- June 7, 2026Personal RecommendationsI Tested DIY Track Spike Covers: Easy, Affordable, and Effective Protection for My Running Shoes
