built for real aquariums.

Designed to help freshwater aquarium owners achieve cleaner, healthier tanks naturally.

see how it works

aquarium care should feel calm and approachable, not complicated or dependent on constant adjustment.

From prototypes to households

  • Freshwater aquarium with colorful fish and decorative plants.

    Founded Aquatic Circle LLC

    October 1, 2021

    During the pandemic, Minh built his first aquaponic filtration system. That first success became Aquatic Circle.

    Early Test video
  • A collage of images and sketches showing the development of a fish tank prototype. The top left photo shows the original prototype with plants under a LED light. Adjacent to it is a 3D schematic of the tank's structure. Below that is a more detailed fish tank with colorful fish and aquatic plants labeled 'Version 3.' To the lower left, there's a photo of a different fish tank setup with equipment on a windowsill labeled 'Version 5.' Lastly, there are two gray 3D sketches of the tank's early filter designs, labeled 'Version 4' and 'Early filter design.'

    Research and Development

    October 7, 2022

    After many prototypes, Aquatic Circle became a durable, efficient, user-friendly solution. Minh and an industrial designer refined every detail.

    Our Journey
  • Hydroponic garden system with a black rectangular grow box containing green plants and a small black water pump with tubes.

    Manufacturing Deal Secured

    July 1, 2023

    Partnered with a sustainable, quality-focused manufacturer to produce our patented, durable filtration systems—bringing innovative aquarium care to homes and aquarists everywhere.

    Product Information
  • Room with several aquariums with fish and aquatic plants, chairs, and tables, at the Suwamt Station at Innovation Park.

    Established Headquarters

    September 2023

    Aquatic Circle LLC is based at Summit Station, Innovation Park on the Frostburg State University campus, a remote work center and incubator that supports our mission.

    Learn More
  • Logo of Allegany County Economic and Community Development with blue, green, and white colors.

    Selected for Startup Program

    May 2024

    Minh developed the Aquatic Circle filtration system to keep his family's fish tank pristine. This innovation could transform aquaculture, and Dung continues developing it in Allegany County.

    Learn More
  • TEDCO logo with the tagline 'Leading Innovation to Market' and a graphic element resembling an atomic model with orbiting rings.

    TEDCO Invests in Aquatic Circle

    April 10, 2024

    TEDCO announces Rural Business Innovation Initiative (RBII) Rural Pre-Seed Fund investment in Aquatic Circle LLC, a rural Maryland tech company.

    Learn more
  • A multi-story office building with beige brick exterior, multiple windows, and a parking lot in front with several vacant spaces and a few parked cars.

    Awarded Cleantech Grant

    May 10, 2024

    The Cleantech R&D (CRD) Grant helps local and relocated firms access Appalachian Laboratory research services and facilities for growing R&D needs.

    Read More
  • Logo for Aquatic Circle featuring a stylized fish and underwater elements in a circular design.

    New Logo/Branding Completed

    August 2024

  • University System of Maryland logo with black, red, yellow, and white colors and text.

    Awarded USM Launch Fund

    October 28, 2024

    The University System of Maryland (USM) Launch Fund has awarded a series of microgrants and grants to USM-affiliated entrepreneurs, in a bid to make critical early capital more accessible.

    Learn More
  • Two ornate discus fish swim in front of a blue background with green aquatic plants, a logo with fish and bubbles labeled "Aquatic Circle", and a small black aquarium filter with the text "effortless aquarium care".

    Launched Kickstarter Campaign

    A major milestone for Aquatic Circle as we introduced our innovative aquaponic planter, to the public.

    Click Here

  • Announced Nano Aquaponic Kit prototype

    August 1, 2025

    Free one gallon test kit giveaway

    Click Here
  • appalachian lab

    First Aquaculture Shrimp Harvest

    November 10, 2025

    Hosted guests, stakeholders, and funders at Appalachian Lab to unveil our large-scale shrimp farm and celebrate our first full harvest. Guests toured the integrated aquaponics and natural filtration.

  • product

    Began shipping product

    December 14, 2025

    Now shipping Aquatic Circle products nationwide. Each kit offers easy setup, natural filtration, and durable stability for confident, sustainable aquaponics.

    Order Today
shop the system
Smiling man in dark jacket sitting indoors, holding a white and orange equipment device, with a brick wall and aquarium with plants in background.

meet the team

Dung Minh Hoang, Founder/CEO

Engineer and aquarium hobbyist focused on applying aquaponic principles to home aquariums and beyond.

Portrait of a man with brown hair, a beard, wearing a gray checkered shirt over a black t-shirt, smiling against a blurred outdoor background.

Chad Yoder, Marketing Manager

Design and brand strategy focused on practical communication, product clarity, and usability.

our partners

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.

Aquatic Circle has been supported through research, development, and business incubation programs focused on innovation and sustainability.