AquaClear 110 vs. Seachem Tidal 110: Which Hang-On-Back Filter Is Better?
When it comes to filtering large aquariums, two of the most popular hang-on-back (HOB) options are the Fluval AquaClear 110 and the Seachem Tidal 110. Both are rated for aquariums up to 110 gallons and offer excellent performance—but they take different approaches when it comes to design, features, and ease of use. If you're trying to decide which one to buy, this article breaks down the differences to help you make the right choice for your tank.
Filtration Performance
The AquaClear 110 has long been a staple in the aquarium hobby. It features a proven three-stage filtration system: mechanical filtration using foam, chemical filtration with activated carbon, and biological filtration using BioMax ceramic rings. This classic setup provides thorough and reliable filtration while allowing you to rearrange or replace media as needed.
The Seachem Tidal 110, on the other hand, comes packed with modern features. It uses Seachem Matrix for biological filtration and includes a large foam block for mechanical filtration. One unique feature is its surface skimmer, which pulls in water from the top and bottom of the tank—helping remove oil slicks and floating debris.
Ease of Use and Maintenance
One major advantage of the Tidal 110 is that it's self-priming. That means you don’t have to manually fill it with water to get it started—just plug it in and go. It also includes a maintenance indicator that lets you know when it's time to clean the filter, making it more user-friendly for beginners or those with busy schedules. The pump is mounted inside the tank, which helps keep it primed and reduces the chance of failure due to air pockets.
AquaClear filters are not self-priming, so after cleaning or power outages, you'll need to manually prime them. However, their media basket is incredibly easy to access and organize. AquaClear also runs more quietly than many HOB filters, making it a better option for bedrooms or quiet spaces.
Build Quality and Design
Both filters are built to last and use high-quality materials, but they have different design philosophies. The Tidal 110 has a slightly bulkier footprint but offers more media capacity and flexibility. Its basket design allows you to fill it with virtually any media you prefer.
The AquaClear 110 has a slimmer design and a simple, time-tested layout. It comes with all the necessary media to get started right out of the box and is highly efficient despite its compact build.
Power Consumption
If energy efficiency is important to you, the AquaClear 110 uses less power than the Tidal 110. It runs on approximately 5 watts, while the Tidal 110 draws around 12 watts. Over time, this could lead to slightly lower electricity costs, especially if you're running multiple filters or have several tanks.
Noise Level
The AquaClear 110 is well-known for being quiet during operation. Its impeller and motor design reduce vibration and humming, making it a top pick for hobbyists who are sensitive to noise. The Tidal 110 is not loud, but some users have reported a low hum, especially if the surface skimmer pulls in air bubbles. Regular cleaning and adjusting the skimmer can minimize this issue.
Final Thoughts
If you prefer a filter that’s easy to use, full of smart features, and ready for heavy customization, the Seachem Tidal 110 is a great choice. It's perfect for those who want minimal hassle and maximum convenience.
If you value quiet performance, energy efficiency, and a classic, no-nonsense approach to filtration, the Fluval AquaClear 110 remains a trusted and reliable option that has stood the test of time.
Both filters offer excellent water quality and durability—your choice ultimately depends on whether you prefer a more traditional or tech-forward experience. Either way, your fish will thank you for the clean, healthy water.