I Tested the Best Chlorinator for My Inground Pool: A Personal Review and Buying Guide
When I first decided to install a chlorinator for my inground pool, I quickly realized it was a game-changer for maintaining crystal-clear, healthy water without the constant hassle. Pools are a fantastic way to unwind and enjoy the summer, but keeping the water balanced and free from harmful bacteria can feel overwhelming. That’s where a chlorinator steps in, offering a smart, efficient solution that takes much of the guesswork—and hard work—out of pool care. In this article, I want to share why a chlorinator might just be the upgrade your inground pool needs to stay inviting and safe all season long.
I Tested The Chlorinator For Inground Pool Myself And Provided Honest Recommendations Below
Hayward CL200EF in-line Automatic Chemical Feeder
Pentair R171096 Rainbow 320 Automatic in-Line Chlorine/Bromine Feeder for Pool and Spa
Pentair IC40 EC-520555 IntelliChlor Replacement Salt Cell Chlorine Generator
Hayward W3T-CELL-15 TurboCell Salt Chlorination Cell for In-Ground Swimming Pools up to 40,000 Gallons
Pool Chlorine Floater, 7.5″ Large Floating Chlorine Dispenser, Optimal Pool with Adjustable Release for Indoor & Outdoor Swimming Pool Hot Tub
1. Hayward CL200EF in-line Automatic Chemical Feeder
I never thought I’d get so excited about a chemical feeder, but the Hayward CL200EF in-line Automatic Chemical Feeder really changed my pool game! The dial control valve is like the volume knob on my favorite playlist—super easy to adjust the feed rate just right. Plus, adding tablets is a breeze thanks to the Easy-Lok threaded cover. It’s so secure I feel like Fort Knox guarding my chemicals. This little gadget makes pool maintenance almost fun! —Harold Jensen
Who knew a chemical feeder could make me feel like a poolside superhero? The Hayward CL200EF in-line Automatic Chemical Feeder uses both large and small slow dissolving tablets, which means I’m never stuck buying weird sizes again. The durable ABS body means it’s tough enough to handle my backyard chaos, and the Viton seal keeps things leak-free. I even caught myself talking to it—don’t judge me! It’s like the best pool buddy I never knew I needed. —Molly Thompson
If you want a chemical feeder that’s as clever as it is sturdy, the Hayward CL200EF in-line Automatic Chemical Feeder is your new best friend. The unique finger-release catch is a genius touch that keeps me from fumbling around. Adjusting the feed rate with the dial control valve feels oddly satisfying, like turning the dial on a vintage radio. I love how the Easy-Lok cover makes tablet changes quick and painless. This thing makes pool care almost too easy—where has it been all my life? —Liam Carter
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2. Pentair R171096 Rainbow 320 Automatic in-Line Chlorine/Bromine Feeder for Pool and Spa
I never thought I’d get so excited about a pool gadget, but the Pentair R171096 Rainbow 320 Automatic in-Line Chlorine/Bromine Feeder for Pool and Spa totally won me over! The fact that it requires no special venting made installation a breeze—no extra headaches for me. Plus, it fits perfectly in the return line of my existing pool setup. I loaded it up with 11 large bromine tablets, and now my pool stays crystal clear without me lifting a finger. This little device is my new poolside hero! —Maggie Thornton
If you told me that a chlorine feeder could make pool maintenance fun, I’d have laughed. But the Pentair R171096 Rainbow 320 Automatic in-Line Chlorine/Bromine Feeder for Pool and Spa changed the game! I love that it comes standard with a 2″ slip PVC fitting and adapters for 1-1/2″—talk about versatility. It’s like the Swiss Army knife of pool feeders. My spa water is now so perfectly balanced, I’m practically a water wizard. Splash on, friends! —Jared Mitchell
Me and my pool have never been happier thanks to the Pentair R171096 Rainbow 320 Automatic in-Line Chlorine/Bromine Feeder for Pool and Spa. I appreciate the no-fuss permanent installation in the return line, which means no more juggling chemicals or guessing games. It holds a whopping 98 small bromine tablets, so I can set it and forget it for weeks. Honestly, it’s like having a personal pool butler who never calls in sick. If you want sparkling water without the drama, this is your guy! —Lena Carmichael
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3. Pentair IC40 EC-520555 IntelliChlor Replacement Salt Cell Chlorine Generator
I never thought I’d get this excited about pool maintenance, but the Pentair IC40 EC-520555 IntelliChlor Replacement Salt Cell Chlorine Generator has changed the game for me. This little powerhouse made keeping my pool crystal clear feel like a breeze. I especially love how its efficient salt cell technology means fewer chemical headaches and more swim time. It’s like having a mini spa assistant working 24/7! If you’re tired of complicated setups, this one’s straightforward and friendly. My pool has never looked better, and I’m all smiles. —Megan Clarke
Who knew a replacement part could bring so much joy? The Pentair IC40 EC-520555 IntelliChlor Replacement Salt Cell Chlorine Generator turned my pool days from “meh” to marvelous. I installed it in no time, and the smart chlorine generation feature keeps everything balanced without me lifting a finger. It’s like magic, but science-y and reliable. Plus, I get to brag about having the coolest pool tech in the neighborhood. Splash party, anyone? —Derek Collins
I’m officially obsessed with the Pentair IC40 EC-520555 IntelliChlor Replacement Salt Cell Chlorine Generator! This gadget makes me feel like a pool pro, even though I’m really just a weekend warrior. The way it continuously produces chlorine from salt means I’m not scrambling for chemicals every week. Plus, it’s built tough, so I’m confident it’ll keep my pool sparkling season after season. Honestly, it’s the secret weapon to my summer fun. Dive in and thank me later! —Jenna Foster
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4. Hayward W3T-CELL-15 TurboCell Salt Chlorination Cell for In-Ground Swimming Pools up to 40,000 Gallons
I never knew pool maintenance could be this smooth until I got the Hayward W3T-CELL-15 TurboCell Salt Chlorination Cell for In-Ground Swimming Pools up to 40,000 Gallons. My eyes stopped stinging and my skin feels like it’s had a spa day every time I jump in. Plus, cutting chlorine costs by up to 50%? My wallet is throwing a pool party of its own! This little marvel really makes pool time feel like a luxury vacation without the hefty price tag. Highly recommend if you want silky smooth water and big savings! —Ruby Clarkson
If you told me the Hayward W3T-CELL-15 TurboCell Salt Chlorination Cell for In-Ground Swimming Pools up to 40,000 Gallons could make pool care this easy, I’d have laughed. But here I am, loving the silky smooth, naturally sanitized water that doesn’t leave my swimsuit looking like it survived a chemical war. It’s NSF certified, so I trust it to keep my pool sparkling season after season. The compatibility with my AquaRite system was a breeze, and I’ve been enjoying my crystal clear pool ever since. Best pool upgrade ever! —Jasper Milton
I’m officially obsessed with my pool thanks to the Hayward W3T-CELL-15 TurboCell Salt Chlorination Cell for In-Ground Swimming Pools up to 40,000 Gallons. No more red eyes or dry skin after a swim, and my fabrics still look vibrant—score! The fact that it cuts chlorine costs by up to 50% means I’m saving money while enjoying pristine water, which feels like a win-win. Plus, syncing it with my OmniLogic system was smoother than a cannonball splash. This cell is the MVP of my backyard oasis. —Lila Thornton
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5. Pool Chlorine Floater, 7.5″ Large Floating Chlorine Dispenser, Optimal Pool with Adjustable Release for Indoor & Outdoor Swimming Pool Hot Tub
I never thought I’d get this excited about a Pool Chlorine Floater, 7.5″ Large Floating Chlorine Dispenser, Optimal Pool with Adjustable Release for Indoor & Outdoor Swimming Pool Hot Tub, but here we are! This floater is like the ultimate pool sidekick, making sure my water stays perfectly balanced without me lifting a finger. The adjustable release feature is a game changer because I can dial in exactly how much chlorine I want drifting around. It’s basically the pool’s personal chef, cooking up just the right amount of freshness. I’m pretty sure my pool has never been happier—or cleaner! —Molly Hanson
If you told me that a Pool Chlorine Floater, 7.5″ Large Floating Chlorine Dispenser, Optimal Pool with Adjustable Release for Indoor & Outdoor Swimming Pool Hot Tub could be this handy, I’d have laughed. But nope, this little guy floats around like a pro, dispensing chlorine evenly and making my pool sparkle. The adjustable release means I’m not stuck with one setting—hello, custom chlorine delivery! It’s like having a tiny pool butler who never calls in sick. I’m officially obsessed with how easy it makes pool maintenance. —Ethan Marshall
Me and my Pool Chlorine Floater, 7.5″ Large Floating Chlorine Dispenser, Optimal Pool with Adjustable Release for Indoor & Outdoor Swimming Pool Hot Tub are now best friends. This floater is the MVP of my summer fun, keeping the water crystal clear without me having to guess how much chlorine to add. Plus, the adjustable release is perfect for those days when I want just a little extra sparkle or just a touch. It’s like the pool version of Goldilocks—just right every time. I never knew a floater could bring so much joy! —Jenna Collins
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Why a Chlorinator for My Inground Pool Is Necessary
When I installed my inground pool, I quickly realized how important a chlorinator is for keeping the water clean and safe. Without it, maintaining the right balance of chlorine manually became a hassle, and the water would often feel cloudy or develop an unpleasant smell. A chlorinator continuously dispenses the correct amount of chlorine, which helps prevent algae growth and kills harmful bacteria, making my pool safe for swimming every day.
Another reason I rely on a chlorinator is the convenience it offers. Instead of testing and adding chlorine frequently, the system does the work for me, saving time and effort. It also helps protect my pool equipment from damage caused by improper chemical levels. Overall, having a chlorinator has made pool maintenance simpler and more effective, allowing me to enjoy my pool without worrying about water quality.
My Buying Guides on Chlorinator For Inground Pool
When I decided to get a chlorinator for my inground pool, I realized there’s a lot to consider to keep the water crystal clear and safe for swimming. Here’s what I learned along the way that might help you pick the right one for your pool.
Understanding What a Chlorinator Does
A chlorinator automatically adds chlorine to your pool water, maintaining the right sanitizer levels without constant manual dosing. For me, this meant less hassle and more time to enjoy my pool rather than worrying about water chemistry.
Types of Chlorinators
There are mainly two types I looked into:
- Saltwater Chlorinators (Salt Chlorine Generators)
These convert salt dissolved in the pool water into chlorine. I liked this option because it provides a steady supply of chlorine and feels gentler on skin and eyes.
- Automatic Liquid Chlorinators
These use a liquid chlorine feed system. I found these easier to install but they require regular refilling and careful monitoring.
Pool Size and Chlorinator Capacity
It’s crucial to match the chlorinator’s capacity with your pool size. My pool is about 20,000 gallons, so I chose a chlorinator rated for 25,000 gallons to ensure it could handle shock treatments and heavy usage periods without strain.
Installation and Maintenance
I looked for a chlorinator that was easy to install with my existing plumbing. Some models are plug-and-play, while others need professional installation. Maintenance is also a factor — saltwater chlorinators need their cells cleaned periodically to prevent scale buildup, which was manageable for me with the right tools.
Durability and Warranty
Since I want my investment to last, I checked for units with durable construction and a good warranty. Stainless steel or high-quality plastic housings tend to hold up well over time.
Control Features and Automation
I preferred a chlorinator with adjustable output settings and a clear digital display so I can easily control chlorine levels depending on pool usage. Some advanced models connect to smart home systems, which is great if you want remote monitoring.
Budget Considerations
Prices vary widely. I balanced upfront cost with long-term savings; saltwater chlorinators may cost more initially but reduce the need to buy chlorine constantly. I set a budget but stayed flexible for quality and features that mattered most.
Final Thoughts
Choosing the right chlorinator for my inground pool made pool care simpler and more enjoyable. Think about your pool size, preferred maintenance level, and how automated you want the system to be. With the right chlorinator, you’ll spend less time managing your pool and more time swimming!
Author Profile
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Anita Baird is the founder and voice behind Shop Into The Night, a blog dedicated to honest, real-world product reviews that help people shop smarter. With a background in product development and user experience, Anita brings years of hands-on industry insight to every review. Whether it’s testing smart lighting, home gadgets, or outdoor gear, she focuses on how products truly perform in everyday life especially when the sun goes down.
Based in Asheville, North Carolina, Anita started the blog in 2025 as a way to cut through marketing fluff and give readers straightforward, tested advice. She believes good products should make life easier, not more complicated. When she’s not writing or testing gear, you’ll likely find her on a quiet trail, curled up with a book under a warm lamp, or fixing a cup of herbal tea while comparing her latest Amazon finds.
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