Fluval 307 External Filter Review

A Powerful Canister Filter for Your Aquarium

Maintaining a clean and healthy aquarium is crucial for the well-being of your fish, and choosing the right filter is a key part of that process. The Fluval 307 External Filter is a high-performance canister filter designed for freshwater and saltwater aquariums. In this in-depth review, we’ll explore the features, benefits, and setup process of this filter while answering common questions to help you decide if it’s the right choice for your tank.

Benefits of an External Filter

External filters, like the Fluval 307, offer numerous advantages over internal filters. Firstly, they provide superior filtration by incorporating multiple stages of mechanical, chemical, and biological filtration, ensuring optimal water quality. Because they are positioned outside the tank, external filters also free up valuable space inside the aquarium, allowing for a more natural and aesthetically pleasing environment for your fish.

Additionally, external filters typically have a higher capacity, making them ideal for larger tanks or heavily stocked aquariums. They are also easier to maintain since their media can be replaced or cleaned without disturbing the tank’s inhabitants. It is an excellent example of a high-performance external filter that offers all these benefits while maintaining energy efficiency and quiet operation.

Key Features

The Fluval 307 External Filter is part of Fluval’s renowned 07 Series and is an upgraded version of the Fluval 306. Here are some standout features:

• Multi-Stage Filtration – The filter offers mechanical, chemical, and biological filtration to ensure crystal-clear water.
• Energy-Efficient Performance – It consumes only 15 watts, making it highly energy efficient.
• Quiet Operation – The improved sound-dampening design minimizes noise, making it ideal for home and office aquariums.
• Easy Maintenance – The AquaStop valve and lift-lock clamps simplify the cleaning process.
• Compact and Powerful – Despite its small size, it provides strong water flow and filtration.

For those looking to purchase the Fluval 307 External Filter, you can find it here: Fluval 307 External Filter

How to Set Up a Fluval 307 External Filter

Setting up the Fluval 307 External Filter is straightforward. Follow these steps for a hassle-free installation:

1. Unbox and Check Components – Ensure all parts, including hoses, media baskets, and clamps, are present.
2. Prepare the Filter Media – Arrange the media in the filter trays following the recommended filter media setup:
   • Bottom Tray: Bio-Foam (mechanical filtration)
   • Middle Tray: BioMax (biological filtration)
   • Top Tray: Activated Carbon (chemical filtration) with optional Water Polishing Pad (purchase here)
3. Position the Filter – Place it below your aquarium to allow gravity to assist with water flow.
4. Connect the Hoses – Attach the intake and output hoses securely to the tank.
5. Fill the Canister with Water – This helps with priming later.
6. Secure the Lid and Prime the Filter – Lock the clamps and prepare for priming (see next section).
7. Plug It In and Check for Leaks – Ensure everything is sealed correctly.

If you need a Fluval 307 Filter Media Value Pack, you can get it here: Fluval 307 Filter Media Value Pack

How to Prime a Fluval 307

Priming the Fluval 307 External Filter ensures proper water flow and prevents dry running. Follow these steps:

1. Ensure the Filter is Below the Tank – Gravity will assist with siphoning water.
2. Push the Priming Pump – Press the primer handle down and release multiple times until water starts flowing into the canister.
3. Wait for Water to Fill the Filter – Once full, you should hear a gurgling sound as air escapes.
4. Plug It In – Turn on the filter and let it run. It may take a few minutes for the air to clear completely.

How to Clean a Fluval 307

Regular maintenance is essential to keep your filter performing optimally. Here’s how to clean your Fluval 307 External Filter:

1. Unplug the Filter – Always turn off and unplug the filter before maintenance.
2. Close the AquaStop Valve – This prevents water from flowing out when you disconnect the hoses.
3. Open the Canister – Remove the lid and carefully take out the media trays.
4. Rinse the Media in Tank Water – Do not use tap water, as chlorine can kill beneficial bacteria.
5. Clean the Impeller and Tubing – Use a small brush to remove debris from the impeller and tubing.
6. Reassemble and Reconnect – Put everything back in place, reconnect hoses, and restart the filter.

Why Choose the Fluval 307 External Filter?

The Fluval 307 External Filter stands out due to its efficiency, ease of use, and reliability. Here’s why it’s an excellent choice:

✅ Superior Filtration – It offers mechanical, chemical, and biological filtration. ✅ Energy-Efficient – Consumes only 15W of power. ✅ Quiet Operation – Noise-reducing technology ensures a peaceful environment. ✅ Easy Maintenance – It is Designed for quick and hassle-free cleaning. ✅ Trusted Brand – Fluval is a well-known name in aquarium filtration.

If you’re looking for an effective and dependable filter, get your Fluval 307 External Filter here: Buy Now