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Looking for an efficient livewell aeration solution? Dive into the world of the Attwood Tsunami Aerator Pump! With its compact design and impressive 500 gallons per hour output, this pump is a game-changer for keeping your livewells fresh and oxygenated. Featuring top-notch materials and a patented shaft seal, it’s a reliable choice for your fishing adventure. Let’s explore how this pump can elevate your aquatic experience!

Attwood Tsunami Aerator Pump

 in stock
Excellent pump
The Attwood Tsunami Aerator Pump impresses with its reliable performance, easy installation, and durable construction. It offers great value for the price, making it a solid choice for those seeking an efficient solution for their livewell system.
  • Reliable performance
  • Easy installation
  • Durable construction
  • Great value for the price
  • Potential issue with pump input/output size compatibility
  • Some users found the nut to be cheap and undersized

The Attwood Tsunami Aerator Pump is a top-of-the-line product designed for optimal aeration in confined spaces like livewells. With its universal fitting, this pump offers innovative engineering and a compact design to ensure reliable performance. It boasts a powerful motor that can deliver a flow rate of 500 gallons per hour at 13.6 volts DC, or 450 gph at 12 volts DC. The use of premium-quality materials such as bearings, brushes, alloys, and magnets ensures durability and efficiency.

One key feature of this pump is its patented shaft seal, which prevents leaks caused by misalignment. The caulked and tinned wiring not only eliminates wicking but also resists corrosion, ensuring longevity. The motor cartridge locks securely in place for operation and can be easily unlocked for cleaning, maintenance, or replacement. With a ¾-inch inlet and threaded outlet, this 12-volt pump is connected with a 29-inch wire for convenience.

Performance Specifications
  • Brand: Attwood
  • Maximum Flow Rate: 8.33 Gallons Per Minute
  • Maximum Lifting Height: 3.3 Feet
  • Power Source: AC/DC
  • Voltage: 12 Volts
  • Sport Type: Fishing

The Attwood Tsunami Aerator Pump, part of the T500 – 3 1/2″ L series, comes in a compact size and lightweight design, making it easy to install and use. With a maximum flow rate of 8.33 gallons per minute and a lifting height of 3.3 feet, this pump is ideal for boating enthusiasts looking for a reliable solution for their livewell aeration needs. Whether you’re a novice or seasoned fisherman, this pump is a great addition to your livewell accessories.

Efficient Water Circulation Pump
  • Compact design for use in contained spaces such as livewells
  • Rated for 500 gallons per hour output at 13.6 volts DC
  • Advanced materials including premium-quality bearings and state-of-the-art brushes
  • Patented shaft seal prevents leaks
  • Motor cartridge locks for secure placement
  • 12-volt pump with 29-inch wire

Review of Attwood Tsunami Aerator Pump


When considering the Attwood Tsunami Aerator Pump, we were delighted to find a range of positive reviews highlighting its performance, durability, and ease of installation.


  • Efficient Performance: Users have consistently praised the pump’s ability to move water quickly and effectively.
  • Durability: Several reviews mentioned long-lasting performance, even after extended periods of use.
  • Easy Installation: The pump’s straightforward installation process was a common point of appreciation among reviewers.

Practical Tips:

  • Choosing the Right Model: Pay close attention to the input/output sizes when selecting a pump model to avoid compatibility issues.
  • Replacing Parts: If necessary, consider replacing certain components like the nut for improved functionality.
  • Livewell Compatibility: Ensure the pump fits the livewell’s specifications to avoid any modifications post-installation.

Real-World Examples

One user shared a detailed account of using the pump for an entire fishing season, demonstrating its reliability under varied conditions. Another highlighted the pump’s compatibility with a Carolina Skiff, showcasing its versatility.

Case Study

A user successfully reinstalled the pump for livewell aeration after the original one failed after 12 years. This case exemplifies the pump’s ability to serve as a reliable replacement even after extended periods.

Bottom Line

In conclusion, based on the feedback from various users, the Attwood Tsunami Aerator Pump appears to be a solid choice for those seeking a dependable, efficient, and easy-to-install solution for their livewell system. Whether you’re a seasoned angler or a boat enthusiast, this pump seems to deliver on its promises of performance and longevity.

Review of Attwood Tsunami T800 Livewell Ballast Pump

Upgrade your boat with top-quality aerator pump options

Buyer Guide: Selecting the Right Marine Aerator Pump

When it comes to choosing the right Marine Aerator Pump, the Attwood Tsunami Aerator Pump is a popular choice known for its quality and performance. To help you make an informed decision, here is a comprehensive guide outlining key considerations and steps to follow:

Key Considerations:

1. Pump Capacity:

  • Determine the size of your livewell or baitwell to select a pump with the appropriate capacity.
  • Consider the water flow rate needed to maintain oxygen levels in your specific marine environment.

2. Power Source:

  • Decide between 12-volt or 24-volt pumps based on your boat’s electrical system.
  • Ensure the pump’s power requirements match your vessel’s capabilities.

3. Durability:

  • Look for pumps made from corrosion-resistant materials to withstand marine conditions.
  • Check for waterproof seals and protected wiring for longevity.

4. Noise Level:

  • Consider the noise output of the pump to avoid disturbances while fishing or on board.

5. Ease of Installation:

  • Opt for pumps that come with clear installation instructions and necessary mounting hardware.
  • Check for compatibility with your existing plumbing system.

Steps to Make an Informed Decision:

  1. Research:
  • Read reviews and product specifications to understand the pump’s performance and reliability.
  • Compare different models to find the best fit for your needs.
  1. Consult Experts:
  • Seek advice from marine professionals or fellow boaters who have experience with marine pumps.
  • Consider reaching out to the manufacturer for additional information.
  1. Budget Planning:
  • Determine your budget and weigh it against the features offered by different pumps.
  • Remember that investing in quality can save you money in the long run.
  1. Installation Considerations:
  • Assess the space available for installation and ensure the pump fits your setup.
  • Plan for maintenance access to keep the pump functioning optimally.


Selecting the right marine aerator pump, such as the Attwood Tsunami Aerator Pump, requires careful consideration of factors like pump capacity, power source, durability, noise level, and ease of installation. Research, consult experts, plan your budget, and consider installation requirements to make an informed decision that enhances your boating experience.

Common Questions about Marine Pumps and Aerators

How to install Attwood Tsunami Aerator Pump?

To install the Attwood Tsunami Aerator Pump, you will need to follow these steps:

  1. Select a location near the livewell or baitwell where you want to install the pump.
  2. Ensure the area is clean and free from any obstructions.
  3. Mount the pump securely using the provided brackets or screws.
  4. Connect the pump to the power source using the appropriate wiring and connectors.
  5. Attach the appropriate hoses to the pump for water intake and discharge.
  6. Test the pump to ensure it is functioning properly and check for any leaks.

Always refer to the product manual for specific instructions related to the installation of the Attwood Tsunami Aerator Pump.

What are the common maintenance practices recommended to ensure the longevity and optimal operation of marine pumps and aerators in harsh marine environments?

To keep your Attwood Tsunami Aerator Pump operating at its best in tough marine conditions, there are a few key maintenance practices we recommend:

  1. Regularly inspect the pump for any signs of wear, damage, or corrosion. Replace any worn-out parts promptly.
  2. Clean the pump and aerator regularly to prevent clogs and blockages that can affect performance.
  3. Check the electrical connections and wiring to ensure they are secure and free from corrosion.
  4. Keep the pump and aerator well-lubricated to prevent friction and overheating.
  5. Test the pump periodically to ensure it is functioning properly and efficiently.

By following these maintenance tips, you can help ensure the longevity and optimal operation of your marine pumps and aerators.

What are the key factors to consider when choosing a marine pump or aerator for a specific application in the marine industry?

When choosing a marine pump or aerator like the “attwood Tsunami Aerator Pump,” there are several key factors to consider for a specific application in the marine industry. Firstly, you’ll want to consider the flow rate and capacity of the pump, ensuring it is suitable for the size of your boat or the volume of water that needs to be moved. Secondly, look at the power source requirements – whether it is battery-operated or can be connected to the boat’s electrical system. Additionally, consider the durability and construction of the pump to ensure it can withstand marine conditions and potential debris. Lastly, look for features such as automatic switches, adjustable flow rates, and ease of installation and maintenance to meet your specific application needs effectively.

Ready to keep your livewell fresh and oxygenated? Let’s upgrade to the Attwood Tsunami Aerator Pump today!

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  1. Avatar for Shadowcaster Shadowcaster says:

    I’ve been using this pump for a while now, and it works great! Definitely recommend it.

  2. Avatar for CrimsonRose CrimsonRose says:

    Overall, I’m very satisfied with the Attwood Tsunami Aerator Pump. It has improved my fishing trips significantly.

  3. Avatar for StarlightGaze StarlightGaze says:

    This pump is super quiet compared to others I’ve used in the past. Makes for a more peaceful fishing experience.

  4. I found the installation process to be quite easy, even for someone with limited experience.

  5. Avatar for GlitterGem GlitterGem says:

    I wish there were more size options available for this pump to fit different types of livewells.

  6. Avatar for DreamDancer DreamDancer says:

    The price point of this pump is reasonable for the quality you get. Great value for money.

  7. Avatar for NovaStrike NovaStrike says:

    The pump is very efficient and does a fantastic job of aerating the water in my livewell.

  8. Avatar for SereneSapphire SereneSapphire says:

    The build quality of the Attwood Tsunami Aerator Pump is top-notch. Very durable and reliable.