Seachem Tidal 55 Power Filter

Upgrade your aquarium filtration with the Seachem Tidal 55. This filter is a high performance hang on back filter powered by a reliable SICCE pump.

Designed for aquariums up to 55 gallons, the Tidal 55 offers strong, adjustable flow, a built in surface skimmer, and a large media basket that allows you to fully customize your filtration setup.

Unlike basic HOB filters, the Tidal system gives you more control, better water quality, and easier maintenance. Making Tidal an ideal choice for both freshwater and saltwater aquariums.

Why This Filter Is Different 

Most hang on back filters use fixed cartridges and limited filtration.

The Tidal 55 gives you:

• A large open media basket
• Custom filtration options
• Better water flow control

Result: More effective and customizable filtration

Key Features

• Powered by SICCE – quiet, reliable pump performance
• Self-priming pump – no manual restart needed after power loss
• Built-in surface skimmer – removes film from water surface
• Adjustable flow rate – customize for your tank needs
• Large media basket – supports custom filtration setups
• Maintenance alert – indicates when cleaning is needed

What It Helps With

• Improving overall water quality
• Increasing filtration efficiency
• Removing surface film and debris
• Supporting customizable filtration systems

Perfect For

• Freshwater aquariums up to 55 gallons
• Saltwater and reef tanks
• Hobbyists looking to upgrade filtration
• Tanks needing flexible media options

Filtration Tip 

This filter is designed to work best with custom media setups.

For optimal performance, pair with:

• Biological media (Matrix)
• Chemical filtration (Purigen)
• Phosphate control (PhosGuard)
• Polishing Pad

Build your own filtration system

Important Note

• Regular maintenance is required for best performance
• Rinse media and clean components as needed
• Adjust flow rate based on tank size and livestock

What’s Included

• Seachem Tidal 55 Filter Unit
• Intake Tube & Surface Skimmer
• Filter Media Basket
• Starter filtration media