Alright, so here’s the deal—if you own a swimming pool, you’re gonna want one of these. Tired of your pool turning green right when you’re about to dive in? Had enough guessing on chemicals and losing your weekends? This simple device ends the frustration and keeps your pool crystal-clear effortlessly.
I’m Ryan with ActuallyUsed, and today, I’m going to show you exactly how the ICO Pool Water Monitor simplifies pool care, why it’s the best monitor I’ve tested yet, and how it can save you hundreds of dollars each year.
Because let’s be real—anyone can unbox something, read the marketing fluff, and tell you it’s ‘great.’ But here on ActuallyUsed, we don’t do that. We put products to the test to see what it’s like to actually use and own them. So does the ICO make pool care easier? Let’s find out.
Why Traditional Pool Care Is Such a Pain
We’ve all been there—frustrated, second-guessing, and ready to give up on pool care. Most people start with a basic testing kit, trying to figure out levels for chlorine, pH, and all sorts of confusing details. We end up adding too many chemicals or not enough—and rarely get the crystal-clear results we want.
Some people rely on pool service pros. But the service guys often zip in and out so fast, you’re left wondering if they even tested your pool water. And pool stores aren’t always better, either: they can push pricey chemicals you likely don’t need.
You end up guessing, overpaying, or both. That’s exactly what the ICO aims to solve.
What is ICO?
ICO is a floating, wireless pool water monitor that takes all the complexity of water testing and simplifies pool maintenance. It checks your pool chemistry every hour, sends the data straight to your phone, and tells you precisely what—if anything—needs adjusting.
How ICO Helps You
- No More Guesswork: It tracks key water parameters continuously, giving clear, actionable recommendations.
- Fewer Trips to the Store: By telling you exactly which (and how much) chemicals to add, it stops you from panic-buying.
- Less Daily Maintenance: The device floats in your pool and connects to your home Wi-Fi, so you can check your water status anytime, anywhere.
Let me paint a picture. It’s finally a sunny weekend, you head outside to enjoy the pool—and the water’s cloudy, smells a little off, or worse… it’s green. Now instead of relaxing, you’re spending the next couple of hours testing, adding chemicals, and hoping it clears up. That cycle? It ends with ICO.
The ICO isn’t just another test kit—it’s a pool monitoring system. It lets you know what your pool needs before any problems start. After just a week of getting clear, instant feedback from the ICO, you realize how this pool water monitor helps you take control of your pool. No more guessing how much chlorine to add or wondering if your pool is ready to swim.
And here’s the thing: pool chemistry isn’t something to take lightly. Water that’s off doesn’t just look bad—it can irritate your skin, damage your equipment, and waste a lot of money on chemicals that may or may not work. With ICO checking your water every hour, it’s like having a professional watching over your pool 24/7—only better, because it never misses a beat.
Value
One of the best things about the ICO Pool Water Monitor is that it’s a one-and-done kind of deal. At around $400, it’s in the same ballpark as other top monitors like Sutro and WaterGuru—but here’s the kicker: there are no ongoing costs. No monthly subscriptions, no replacement cartridges, no surprise accessories. You buy it once, drop it in your pool, and you’re good.
Now compare that to the Sutro Smart Monitor, which uses a cartridge system. They have to be replaced every month, and you’re locked into a $29/month subscription. The Sutro itself costs about $500, and over three years you’re looking at over $1,500 total. That’s a huge difference.
Sensors vs. Cartridges: What’s More Accurate?
ICO uses built-in sensors to check your pool’s pH, BioPower, and temperature—and it does it every single hour, automatically. No strips to dip, no cartridges to replace, no effort required. Just drop it in and let it do its thing. You’ll always know exactly what’s going on with your pool, right from your phone.
Other monitors rely on cartridge-based systems that typically only give you 3 to 4 readings a day—and honestly, that’s just not enough. Pool chemistry can shift quickly, especially on hot days or after a swim, and you deserve to know what’s going on when it’s going on. Plus, those limited readings depend entirely on the cartridges being fresh and functioning. Once they run out or start to degrade? The data stops. No readings until you buy and install a new one.
In the real world, ICO’s sensor-based approach just makes more sense. It checks your water every hour, runs quietly in the background, and doesn’t require monthly replacements or surprise costs. It’s more frequent, reliable, and completely hands-off.
Easy Setup & Two Versions
ICO comes in two models—one for chlorine or bromine pools, and one for saltwater pools. Installation couldn’t be simpler:
- Download the ICO app
- Connect the unit to your Wi-Fi
- Drop it in the pool
From there, ICO takes readings hourly and syncs them to your phone or tablet. No complicated sensors or clunky adapters—just straightforward monitoring that anyone can handle.
A True Money-Saver
When your pool water is properly balanced, your sanitizer—whether chlorine or bromine—works more effectively. The average pool owner spends about $70 per month on chemicals. With ICO, that number can drop by half. That’s a savings of $420 per year, which practically covers the cost of the device within the first 12 months.
Why the Savings Add Up:
- Accurate Dosing: No more guesswork or dumping in shock “just in case.” ICO tells you exactly what your pool needs.
- Early Problem Detection: Catching issues before they turn into algae blooms can save you hundreds of dollars
What ICO Tracks
ICO keeps an eye on the most important aspects of your pool’s chemistry. Here’s what it measures:
- BioPower – also known as ORP, which stands for Oxidation-Reduction Potential: This is the big one—it measures how effectively your sanitizer (like chlorine) is killing bacteria and algae.
- pH: The measure of how acidic or base your water is. If it’s off, your chlorine or sanitizer stops working properly.
- Temperature
- TDS (Total Dissolved Solids): This is tracked in the saltwater version and tells you when it’s time to add fresh water or more salt.
ICO takes readings every hour and logs the data in its app so you can see trends over time—and get alerts if something is off.
What Is BioPower?
BioPower, otherwise known as ORP, is the Oxidation-Reduction Potential—basically a fancy term for measuring how strong your pool water’s sanitizing power is.
Instead of telling you how much chlorine is floating in the water, ORP tells you how well that chlorine is working in your pool.
- The target range is 650–750 millivolts (mV).
- Below that? Your water might look clean but isn’t killing bacteria effectively.
- Above that? You’re in the safe zone—sanitizing power is strong, and algae doesn’t stand a chance.
Most backyard pool test kits don’t measure ORP—but Olympic pools and commercial facilities rely on it because it’s the most accurate way to know if your water is truly clean and safe. It’s a little secret the pool industry doesn’t want you to know. The more complicated pool maintenance is, the more money they make. But that’s not how it should be.
The App: Your Pool’s Personal Assistant
The ICO app keeps things simple. You’ll see a quick overview of your pool’s health—like water quality, temperature, and if anything needs attention. Set up notifications, and you’ll know right away if the pool chemistry drifts out of range.
What I Love About the App
- Instant Alerts: Never wonder if your water is sanitized.
- Historical Data: Track trends over time to spot problems before they happen.
- No Extra Gear: The ICO connects to Wi-Fi on its own. If your signal is weak by the pool, just place a Wi-Fi extender nearby. You won’t have an extra dongle or base inside like other pool monitors.
Long Battery Life You Can Count On
The ICO battery lasts for months—often a full season—so you’re not constantly hunting for the charger. When it’s time to recharge, just pop it out, plug in a standard USB cable, and you’re good to go.
Final Thoughts
If you’ve ever found pool maintenance overwhelming or felt like you’re burning cash on chemicals, the ICO Pool Water Monitor is a game-changer. It’s easy to use, pays for itself through the chemical savings alone, and keeps your water safer and clearer with minimal effort.
Bottom line: ICO transforms frustrating guesswork into effortless pool-care. No more panicked trips to the pool store, no more crossed fingers hoping your chemicals are right, and no more weekends lost to water problems. Just crystal-clear, worry-free pool enjoyment.
That’s all for this review—I’m Ryan from ActuallyUsed—thanks for watching!