Global Aquaponic Systems in Silver Spring, MD

This past Saturday, July 22, Global Aquaponic Systems in Silver Spring, MD held an open house with tours from 12 to 5pm.

On the left we see a trough with some yummy duckweed… a great nutrition supplement for fish.

Global Aquaponic has many beautiful, large striped koi driving their plant growth. The greenhouse is large, and grows produce for local sales.

Read more at their website, or set up a tour of your own!

Aquaponic Highlights!

Remember that ESPN Sportcenter quote: “You can’t stop him, you can only hope to contain him!?!?”… well that also applies to Scott’s backyard aquaponic system in Northeast DC.

Last year we were impressed when Scott told us that during the warm months he grew a SALAD PER DAY for his entire family of 5.

The pic to the right shows his harvest for just one day last week… “EXCEPT for the bigger tomato I already ate.”

And below are media-growbeds with zucchinis, tomatoes, and peppers. Scott keeps fish in his sump tank year round (thermal insulation), and in the warmer months links up his second fish tank, seen here to the back right. Everything you see growing here is from one aquaponic system!  Here’s a link to his forum thread in case you are interested in more info: Scott’s aquaponic forum thread.

The Hootie 2.0 at Iona Senior Services in NW DC

We just installed our new aquaponic system, The Hootie 2.0, at Iona Senior Services near American U. in NW DC.

The Hootie 2.0 can accommodate up to 8 medium size (.5lb) goldfish or other ornamentals. The fish waste will support a constant growth of herbs and several heads of leafy greens at a time.

The Hootie 2.0 features:

  • a 29 gallon fish tank;
  • a roll-out plant growbed for easy fishtank access;
  • hidden shelf space for electrical connections, an aerator pump, and supply storage;
  • adjustable height T5 floursecent light fixtures; and
  • an automatic bell-siphon drain in the growbed to increase system oxygenation and circulate water.

Thank You Ashlea Steiner at Iona Senior Services for the opportunity!

And Thank You John Favaloro at Avanti Woodworks for the great craftsmanship and creative problem-solving!

Urban Organics and Pentair Open 2nd Large-Scale Aquaponic Farm

Urban Organics and Pentair just opened one of the largest commercial aquaponic farms in the world in St. Paul Minnesota.

Urban Organics will use Pentair’s advanced pumps, filters, aerators, mineralization systems and more to raise 275,000 pounds of Atlantic salmon and arctic char fish each year. About 475,000 pounds of organic greens including kale, bok choy and arugula also will be produced.

Read full article:

By Star Tribune


Creative Fish Catching

Roy is getting creative in order to catch some tilapia at UDC’s Firebird Farm in Beltsville, MD. UDC operates two aquaponic systems at the farm.

The aquaponic system pictured here holds the fish tanks and filtration units in a large insulated shipping container. Water is sent back and forth to a greenhouse several feet away via underground pipes.

Urban Ag Policy-Making

Here’s a meeting of the Urban Ag working group of the DC Food Policy Council.

On the agenda:

  • Getting the DC Comprehensive Plan to incorporate Urban Ag
  • Coordinating DC growers and regulators to implement the DC Cottage Food Act

The DC government must ensure that sustainable practices like aquaponics, hydroponics, vertical growing, rooftop growing, and composting are properly incentivized to account for their positive externalies, obviously.

Going Vertical with Evan Bromfield

By Evan Bromfield
Look, I’m not interested in hopping on the vertical farming hype train. I’m interested in farming effectively and cheaply. And I think I’ve found the winning recipe.

I run the proof of concept vertical hydroponics farm Rosemont Horticultural located right outside DC. We provide chefs who want to differentiate their menus with year-round, affordable, exquisite crops grown with no environmental waste.

The entire farm is designed with the idea of closed-loop production, something extremely familiar to regenerative and aquaponics farmers, but a concept that’s oddly missing from most vertical farms. So what we do, unlike most aquaponic and hydroponic systems, is compost literally everything besides the system-infrastructure (no net pots, no rockwool) for future re-use. You read that right. We’re using compost in our hydroponics system.

We start our seeds in fast-draining compost plugs and within a few weeks, transfer them to the full recirculating shallow water culture system. Introducing soil and choosing a shallow water culture (similar to a deep water culture system) over something like NFT means we have a much higher biological buffer. This means that as nutrients, pH, and other variables fluctuate in our system, our plants are better able to continue thriving.

While that’s just one example, the whole system is designed for simplicity, ease of use, minimizing failure points (mechanical timers versus digital, reducing moving parts, etc.), and resilience. This reduces our labor costs, and because we are re-circulating our inputs, production costs are lowered too. This lets us focus on our primary directive: selling food effectively.

Remember, we’re just testing this out. We started with a run-down garage and transformed that into a farm that’s sold out to local restaurants and distributors since we started. It’s been great and I can’t wait to scale.

Evan Bromfield has been involved with vertical farming for 3 years with experiences in the industry ranging from private consulting to publicly funded urban agricultural development. In addition to his own vertical hydroponics farm, he also runs the Urban Vertical Farming Project, one of the few dedicated websites covering vertical farming, to teach others about the industry. Recently, he worked with the global Association for Vertical Farming to examine international biopharmaceutical production to help write and publish the most comprehensive industry white paper to-date, “The State of Vertical Farming.” Sign up for his free email list to learn more.