Aquatop Internal Aquarium Filter, 72–126 GPH Adjustable Submersible Filter with Replaceable Sponge

Aquatop’s 72–126 GPH Internal Filter is a submersible filter for aquarium tanks or sumps, with adjustable flow and a replaceable filter sponge for routine water filtration.

• Adjustable 72–126 GPH flow — tailor water movement to your tank or sump.
• Submersible internal design — place the filter in the aquarium or sump.
• Replaceable filter sponge included — keep the filter ready for ongoing use.
• Freshwater and saltwater compatibility — use it with either type of aquarium.
• Accessible filter components — reach the sponge for cleaning and replacement.

This filter is made for aquarium keepers who want filtration within a tank or sump and a way to adjust the water flow. Its submersible format keeps the filtration unit in the aquarium system, while the included sponge can be removed for maintenance and replaced when needed. The adjustable output helps accommodate different flow preferences without changing the filter’s intended tank-or-sump role.

How can I adjust the water flow?

The Aquatop Internal Filter has an adjustable flow rate spanning 72–126 gallons per hour (GPH). Set the output to suit the flow needs of your tank or sump; this range gives you more control than a fixed-output filter.

• Use the adjustable output to customize water movement.
• Choose a setting within the filter’s stated flow range.

What comes with the filter, and how is it maintained?

The Aquatop Internal Filter comes with a replaceable filter sponge, and its components are accessible for cleaning and replacement. The design supports straightforward setup and routine upkeep, with the sponge available to remove when it is time to clean or replace it.

• One replaceable filter sponge is included.
• Access the sponge and filter components for maintenance.
• Quick sponge replacement helps keep routine upkeep simple.

Can I use this filter in freshwater and saltwater aquariums?

The Aquatop Internal Filter is suitable for both freshwater and saltwater tanks. Its internal, submersible format also makes it an option for a sump, so it can serve different aquarium setups while remaining within those stated uses.

• Designed for tank or sump use.
• Suitable for freshwater or saltwater systems.

Aquarium keepers looking for an adjustable submersible filter with a replaceable sponge will find the Aquatop Internal Filter suited to routine filtration in a tank or sump. Its stated use covers freshwater and saltwater aquariums, and its accessible components support cleaning and sponge changes. The filter’s adjustable 72–126 GPH flow and included replaceable sponge define its practical fit.

Read our guide: A beginner’s aquarium set-up checklist: from bowl to tank