clear. simple. balanced.

The natural way to keep your aquarium.

Start your setup
Start your setup

Plants do the work.

You just enjoy the tank.

  • Grow herbs, flowers, or houseplants above your tank

  • Plants feed on natural fish waste

  • Keeps tanks up to 20 gallons clean and balanced

  • Pair multiple units for larger aquariums

  • Sets up in under 30 minutes no experience needed

  • No chemicals or additives

start your setup
start your setup

"I built this system because I wanted a cleaner tank without the constant upkeep. Aquaponic filtration is the best filter I'd ever used."

- Dung Minh Hoang, Founder/CEO

start your setup
start your setup
Diagram illustrating an aquaponic filtration system with five steps: 1. Fish produce nitrogen-rich waste; 2. Bio-filter breaks down ammonia into nitrates; 3. Nitrate flows through plant roots; 4. Plants absorb nitrates as nutrients; 5. Clean water is returned to the aquarium.

Water flows in. Plants filter it. Clean water flows back. Simple as that.

shop the system
shop the system

real tanks. real results.

View fullsize Behind the product, there's a bigger vision. Aquatic Circle founder Minh recently presented at the Appalachian Laboratory at Frostburg State University, sharing the science behind our large scale aquaculture research. The natural filtration system
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View fullsize The first of many. ⭐️⭐️⭐️⭐️⭐️
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Beginner Friendly Setup

Backed by Maryland innovation programs.

Logos of various Maryland organizations including University System of Maryland, Allegany County, University of Maryland Center for Environmental Science, Maryland Energy Innovation Accelerator, TEDCO, Maryland SBDC, and Suit Station.