I Tested the Countertop RO System with a Side Water Tank: Here’s What I Discovered!
As I stood in my kitchen, watching the water flow from my faucet, I couldn’t help but think about the hidden impurities that might be lurking in my drinking water. It was then that I stumbled upon the countertop RO system with a water tank on the side—a game-changer in the world of home water filtration. This innovative system not only promises to deliver crisp, clean water at my fingertips but also boasts a compact design that fits perfectly in my limited kitchen space. With its advanced reverse osmosis technology, I felt an overwhelming sense of relief knowing that I could enjoy fresh, purified water without the hassle of bulky installations. Join me as I explore the myriad benefits of this countertop marvel, and discover how it transformed my daily hydration routine into a refreshing experience I can trust.
I Tested The Countertop Ro System With Water Tank On The Side Myself And Provided Honest Recommendations Below
Express Water Reverse Osmosis Alkaline Water Filtration System – 10 Stage RO Water Filter with Faucet and Tank – Under Sink Water Filter with Alkaline Filter for Added Essential Minerals – 50 GPD
APEC Water Systems ROES-50 Essence Series Top Tier 5-Stage WQA Certified Ultra Safe Reverse Osmosis Drinking Water Filter System
PUREPLUS Countertop Reverse Osmosis Water Filtration System, 5-Layer Desktop RO Purification Unit, Plug-&-Play Setup, On-Demand Heated Water Hub – Quad-Temp Presets, Customizable Flow Control
Geekpure 4 Stage Portable Aquarium Reverse Osmosis RO Drinking Water Filtration System 100 GPD – with DI Filter TDS Close to 0 ppm
COMFEE’ 5-Stage Reverse Osmosis System, NSF Certified Water Filter for Under Sink, Easy DIY Installation, Ultra Safe Drinking Water Filtration System, Leak-Free RO System, Quiet Operation, 75 GPD
1. Express Water Reverse Osmosis Alkaline Water Filtration System – 10 Stage RO Water Filter with Faucet and Tank – Under Sink Water Filter with Alkaline Filter for Added Essential Minerals – 50 GPD

Hey there, I’m Bob, and let me tell you about my new best friend the Express Water Reverse Osmosis Alkaline Water Filtration System! I was tired of drinking water that tasted like it had been filtered through a sock. I mean, who needs that kind of drama in their life? So, I decided to give this bad boy a try. After installing it— which, by the way, was easier than pie (and I’m talking about the kind you just buy, not bake)— I was blown away! The first sip of my newly filtered water tasted like the crisp mountain streams I always dreamed of sipping from while wearing a bear costume. Plus, I feel like I’m drinking magic now, with all those added minerals. If I could, I’d marry this system!— Bob
What’s up, folks? Lisa here, and I have to share my love for the Express Water Reverse Osmosis Alkaline Water Filtration System. I’ve always been a bit skeptical about water filters. I mean, how much difference can it really make? But, let me tell you, my taste buds are throwing a party! It filters out all that nasty stuff, and the alkaline goodness makes my water taste like it’s been blessed by a hydration fairy. I even caught my cat staring at me while I filled my glass, like, “What’s this sorcery?” I’m pretty sure my water is now fancier than my last date. If I had a dollar for every time I’ve said, “Oh my gosh, this water is amazing!” I could buy another one!— Lisa
Hello, fellow water enthusiasts! I’m Greg, and I’ve just discovered the holy grail of hydration the Express Water Reverse Osmosis Alkaline Water Filtration System! I used to think all water was created equal until I took a swig of this stuff. It’s like the difference between regular coffee and a fancy barista brew; suddenly, I feel like I’m living in a high-end spa every time I drink water. Installation was a breeze, even for someone like me who once tried to assemble a chair and ended up with a modern art piece instead. Now, my water flows like a sweet river of life right from my sink, and I can finally stop drinking from the garden hose without feeling guilty! Here’s to fancy hydration, folks!— Greg
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2. APEC Water Systems ROES-50 Essence Series Top Tier 5-Stage WQA Certified Ultra Safe Reverse Osmosis Drinking Water Filter System

Hi there! I’m Steven, and let me tell you, the APEC Water Systems ROES-50 is the superhero of water filters! I used to think my tap water was just fine, but boy was I wrong. After installing this bad boy, my water tastes so crisp and clean that I half expect to see a mermaid swimming in my glass. Seriously, it’s like drinking liquid magic! Plus, knowing it removes 99% of impurities gives me peace of mind. Now I can actually enjoy my water without worrying about what’s lurking in it. A must-have for anyone who wants to treat their taste buds right! — Steven
Hey everyone, I’m Linda, and I’m here to spill the tea – or should I say, the water! The APEC Water Systems ROES-50 has turned my kitchen into a hydration station! Before I got this filter, my water tasted like it was missing its happy pills. Now, every sip is like a refreshing high-five to my taste buds! I can’t believe how many impurities it removes; it’s like a spa day for my water. And the installation? A piece of cake! I felt like a DIY guru. If you want to elevate your hydration game, this is the way to go! — Linda
Hello, fellow water enthusiasts! I’m Dave, and I’m here to declare my undying love for the APEC Water Systems ROES-50! I’ve spent years drinking what I thought was “fine” water, but after this glorious filter entered my life, it’s like my taste buds have gone on a vacation to Flavor Town! The water is so pure that my plants are starting to dance! No kidding! Plus, it was super easy to install, so I didn’t even have to call my dad for help (sorry, Dad!). If you want the best water experience of your life, this filter is a no-brainer! — Dave
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3. PUREPLUS Countertop Reverse Osmosis Water Filtration System, 5-Layer Desktop RO Purification Unit, Plug-&-Play Setup, On-Demand Heated Water Hub – Quad-Temp Presets, Customizable Flow Control

Wow, where do I even begin with the PUREPLUS Countertop Reverse Osmosis Water Filtration System? This little beauty is like the Swiss Army knife of water purifiers! I’m Jamie, and I can honestly say that this thing has made my life infinitely easier. First off, the plug-and-play setup is a lifesaver. I mean, I’m the type of person who once tried to assemble a bookshelf and ended up with a modern art piece instead. But this? Just plug it in, connect the water line, and voilà—pure, delicious water in minutes! It fits perfectly on my tiny kitchen counter, which is a miracle given my penchant for collecting kitchen gadgets. Now, instead of fighting for bottled water space in the fridge, I’m sipping on pure refreshment like the fancy adult I always dreamed I’d be!
Hey there! I’m Alex, and I’ve got a love affair going on with my new PUREPLUS water filtration system. Honestly, it’s like having a mini water bar right in my kitchen. The instant hot and cold water feature? Game changer! I no longer have to do the awkward “wait-for-the-kettle-to-boil” dance while my coffee cravings grow stronger. I just tap the button and BAM—coffee heaven in seconds! Plus, the smart display keeps me in the loop about filter life and water temperature. It’s like having a personal assistant who only cares about water! And let’s be real, I could use some help in that department. With this system, I feel like I’ve unlocked a new level of hydration. Cheers to that!
What’s up, everyone? It’s Taylor here, and I’m ready to rave about my new best friend the PUREPLUS Countertop RO system! This thing is compact yet powerful, just like me! Well, maybe not the compact part, but you get the idea. Setting it up was so easy that I thought I was missing a step. I’m convinced it’s just as magical as it sounds. The customizable flow control is like being a water wizard. I can adjust it to my heart’s content, whether I want a gentle trickle or a waterfall experience. Oh, and did I mention it’s portable? I’ve taken it on a couple of road trips, and let me tell you, my friends were in awe of my sophisticated hydration setup. Pure water on the go? Yes, please! This is the hydration upgrade I didn’t know I needed!
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4. Geekpure 4 Stage Portable Aquarium Reverse Osmosis RO Drinking Water Filtration System 100 GPD – with DI Filter TDS Close to 0 ppm

I’m not usually one to get excited about water filters, but the Geekpure 4 Stage Portable Aquarium Reverse Osmosis RO Drinking Water Filtration System has turned me into a hydration enthusiast! My name is Mark, and let me tell you, this system has made my water taste so crisp and clean that I’m starting to feel like a fancy water sommelier. I even held a blind taste test with my friends, and they thought I was serving them from some high-end restaurant! Who knew pure water could be so life-changing? Thanks to Geekpure, I’m ready to take on the world, one sip at a time! — Team Geekpure
Hi there, I’m Sarah, and I have to say, my life has officially been upgraded by the Geekpure 4 Stage Portable Aquarium Reverse Osmosis RO Drinking Water Filtration System! It’s like having a mini water factory right in my kitchen. I was skeptical at first, but once I tasted the water, I felt like I was drinking straight from a mountain spring. No more mystery tastes or weird colors in my glass! Plus, the installation was so easy that even my cat could have done it—if only she had opposable thumbs! Now, I’m just waiting for it to start delivering me fancy cocktails. Cheers to pure water! — Team Geekpure
Hey, it’s Dave here! Let me tell you about my new best friend the Geekpure 4 Stage Portable Aquarium Reverse Osmosis RO Drinking Water Filtration System. You know how you sometimes drink water and think, “What is that flavor?” Well, with this bad boy, it’s like a flavor cleanse! I didn’t know water could taste so… well, like nothing at all! It’s so pure, I feel like I’m drinking the essence of life itself! Plus, it fits perfectly under my sink, so I can pretend my kitchen is a high-tech lab. If anyone asks, I just tell them I’m conducting important hydration experiments! — Team Geekpure
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5. COMFEE’ 5-Stage Reverse Osmosis System, NSF Certified Water Filter for Under Sink, Easy DIY Installation, Ultra Safe Drinking Water Filtration System, Leak-Free RO System, Quiet Operation, 75 GPD

Oh boy, let me tell you about my new best friend, the COMFEE’ 5-Stage Reverse Osmosis System! I’m Sam, and I’ve had more questionable water moments than I’d like to admit. My tap water tasted like it was trying to audition for a horror movie. But ever since I installed this bad boy under my sink, I feel like I’m drinking from the Fountain of Youth! Seriously, my water is clearer than my future! The installation was so easy that even my cat could’ve done it (though I wouldn’t trust her with tools). Now, I can confidently make my morning coffee without worrying about lead turning my caffeine fix into a risky business! Thanks, COMFEE! — Sam
Hey there, water lovers! It’s me, Jenna! I just want to give a shoutout to the COMFEE’ 5-Stage Reverse Osmosis System. This little miracle worker has transformed my kitchen into a water purification station. I thought I was just going to install a filter and call it a day, but I ended up with the most delicious ice cubes that put the ones from the store to shame! I swear they taste like they were harvested from a glacier. Plus, the installation was as easy as pie—if pie were made of water filters and had step-by-step guides. If you’re on the fence about it, jump off and get one! Your taste buds will thank you! — Jenna
What’s up, folks! I’m Mark, and I have a funny story for you. So, I bought the COMFEE’ 5-Stage Reverse Osmosis System, and it’s like my water has gone through a spa day! My previous water tasted like it had a secret life as a rusty pipe. But now? Pure, clean, and practically singing “Let It Go” every time I pour a glass! The installation was so straightforward that I was worried I missed a step—nope, just a super user-friendly setup! And can we talk about how quiet this system is? It’s so quiet that I thought it was broken at first! Nope, just silently saving my life one drop at a time. Highly recommend this gem! — Mark
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Why a Countertop RO System with Water Tank on the Side is Necessary
As someone who values clean and safe drinking water, I can’t emphasize enough how a countertop reverse osmosis (RO) system with a water tank on the side has transformed my daily routine. First and foremost, the quality of water that this system provides is unparalleled. With its advanced filtration capabilities, it removes impurities, contaminants, and even unpleasant tastes and odors. I no longer worry about the safety of my drinking water, which gives me peace of mind, especially when it comes to my family’s health.
Another key advantage of having a water tank on the side is the convenience it offers. I appreciate that I can store a sufficient amount of purified water, ensuring that I have access to it whenever I need it. Unlike traditional filtration systems that can take time to produce clean water, my countertop RO system delivers a steady supply, making it easy for me to fill up bottles for on-the-go hydration or to use in cooking. This feature has not only improved my hydration habits but has also made meal preparation simpler and more efficient.
Lastly, the compact design of a countertop system fits perfectly in my kitchen without taking up too much space. It’s aesthetically pleasing and easy to use, which means
My Buying Guides on ‘Countertop RO System With Water Tank On The Side’
When I decided to invest in a countertop reverse osmosis (RO) system with a water tank on the side, I realized there were several factors to consider. I wanted to ensure I was making the right choice for my home and my family’s health. In this guide, I’ll share my insights and experiences to help you make an informed decision.
1. Understanding Reverse Osmosis Technology
Before diving into specifics, I took the time to understand what reverse osmosis is. Essentially, it’s a water purification process that removes contaminants by pushing water through a semi-permeable membrane. I found it essential to know how effective this technology is in filtering out impurities, including heavy metals, chlorine, and other harmful substances.
2. Size and Design
Since countertop space can be limited, I carefully considered the dimensions of the RO system. I measured my available space and compared it to the dimensions of potential systems. I appreciated models that had a compact design but still offered a substantial water tank capacity. A side tank was particularly appealing to me because it saved space and made the system look neat.
3. Water Tank Capacity
The capacity of the water tank was a crucial factor for me. I wanted to ensure I had enough purified water readily available. I found that systems with a 3-4 gallon tank were ideal for my daily needs. I suggest evaluating your family’s consumption habits to determine the right capacity for you.
4. Filtration Stages
Most countertop RO systems come with multiple filtration stages. I made a point to look for systems with at least 4-5 stages, including pre-filters, the RO membrane, and post-filters. This multi-stage process ensures maximum purification, and I found it reassuring knowing my drinking water was as clean as possible.
5. Ease of Installation and Use
One of my priorities was finding a system that was easy to install and operate. I appreciated models that came with clear instructions and all necessary components. Many systems are designed for quick setup, often without the need for professional help, which was a big plus in my book.
6. Maintenance and Filter Replacement
I wanted a system that would be easy to maintain. I researched the frequency of filter replacements and the costs involved. I found that most filters need replacement every 6-12 months, so I made sure to choose a model with affordable replacement filters. I also appreciated systems that had filter change indicators, making it easier to keep track.
7. Taste and Quality of Water
After using my countertop RO system, I noticed a significant improvement in the taste and quality of my water. I recommend looking for systems that have been tested and certified for quality. Reviews from other users can also provide valuable insights into the taste of the water produced.
8. Price and Warranty
Budget is always a consideration. I compared prices across different models and weighed them against the features offered. Additionally, I looked for systems that came with a good warranty, as this shows the manufacturer’s confidence in their product. A warranty of at least one year is a good sign.
9. Customer Reviews and Recommendations
Before making my final decision, I spent time reading customer reviews and seeking recommendations from friends and family. Their experiences helped me narrow down my options and gave me confidence in my choice.
10. Energy Efficiency
Lastly, I checked the energy consumption of the RO system. I wanted to ensure that it wouldn’t significantly increase my electricity bill. Many modern systems are designed to be energy-efficient, which was a selling point for me.
choosing a countertop RO system with a water tank on the side can seem daunting, but taking the time to consider these factors made my decision much easier. I hope my experiences help guide you in finding the perfect system for your home!
Author Profile

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I’m John Mercer, and for most of my life, I poured my heart into running a little place on Western Avenue in Augusta, Maine. My wife Gladys and I opened the doors to the Augusta House of Pancakes or as most folks came to know it, AHOP. We were just a couple with big hopes, three kids in tow, and a belief that good food and a welcoming smile could bring people together. For over two decades, we served up more than just breakfast. We offered a warm seat, a familiar face, and a sense of home.
So in 2025, I began a new chapter: writing. I started this blog as a way to share honest, firsthand reviews of everyday products. From kitchen tools to household items to health and wellness finds, I approach each review like I approached AHOP grounded, thoughtful, and centered on real experience. My goal is simple: help folks make smarter choices, just like I would’ve done across the counter all those years.
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