Lake Stevens High School seniors Isabelle Eelnurme (left) and Elise Gooding converted an old refrigerator to a hydroponic garden for their engineering design class. Their award-winning device is for growing healthy, nutritious produce in food deserts. (Dan Bates / The Herald)

Lake Stevens High School seniors Isabelle Eelnurme (left) and Elise Gooding converted an old refrigerator to a hydroponic garden for their engineering design class. Their award-winning device is for growing healthy, nutritious produce in food deserts. (Dan Bates / The Herald)

Lake Stevens High seniors convert fridge to hydroponic garden

LAKE STEVENS — Isabelle Eelnurme and Elise Gooding salvaged the small refrigerator from Eelnurme’s grandparents’ back yard.

It was a putrid shade of yellow. The brand label wore off long ago. They cleaned out bugs and grime.

Then the teens painted it turquoise and turned it into a hydroponic garden. It’s a contained produce-growing system that doesn’t require soil or much space. They picture it in apartments in neighborhoods where poverty is high and access to fresh fruit and vegetables is limited.

At the beginning of the school year, the 18-year-olds set out to find a solution for food deserts, which are areas where people lack healthy, affordable food. During their research, they noted a link to health issues such as diabetes. They also found that there are deserts close to home, with more than a dozen in Seattle.

The transformation of an old refrigerator into a hydroponic garden was a year-long project, part of the engineering and design course at Lake Stevens High School. The friends have been in engineering classes since they were in ninth grade. Both plan to continue with those studies.

Gooding is bound for California Polytechnic State University and Eelnurme for the University of Washington this fall. Both are interested in civil engineering, and Eelnurme also wants to focus on environmental engineering.

The engineering and design course has been at the high school for about 10 years, teacher Kit Shanholtzer said. Students from the program have gone on to find success. He recalls one phone call from the FBI to background a job candidate, one of the first students who had gone through the course.

Students are tasked with defining an issue, researching solutions and coming up with their own version of how to solve the problem. Some look at transportation projects such as trains and bridges, while others focus on safety, health and quality of life.

“It’s wonderful when I can just mentor and guide, and the students have the drive and passion to do the project,” Shanholtzer said.

Eelnurme and Gooding have that drive. They’re professional and dedicated to their work, he said.

Though a school year seems like a long time for one project, students just have an hour per day in class, Shanholtzer said. If the annual hours are converted into 40-hour work weeks, students have about a month.

They don’t need to come up with new inventions, but rather an innovative approach to an existing solution. Hydroponic gardens aren’t new. Recycling outdated appliances into an easy-to-use system is a creative approach. Next, Eelnurme and Gooding hope to make one with a full-size fridge.

The two talked over more than 60 ideas before settling, they said. They wanted to think outside the box, but keep their project realistic.

Neither knew what a food desert was prior to doing an essay for their college-level English class. They learned just how widespread and often invisible the problem is.

“We didn’t know people were going without fresh produce,” Eelnurme said. “All they have is maybe a convenience store or fast food because fresh produce is too far away, and they don’t have a car to get there. We need to bring the produce to them.”

Inside the fridge-turned-garden, the portion that once was a freezer is where seeds start to germinate in small, cubic pods. The pods then go into the main body of the fridge, with a water spout and aerator. A gutter downspout has been repurposed into a container and magnetically attached inside the fridge. Once a plant grows to edible size, the downspout can be pulled out, the pod removed and a new one slotted in. The system doesn’t work for root plants such as carrots, but it’s good for lettuce, spinach and other leafy greens.

The students took their work to several engineering fairs, winning accolades at the regional and state level. Most recently, they received an honorable mention at the Imagine Tomorrow engineering fair at Washington State University, where more than 100 teams competed.

The WSU competition was the same day as their prom, so they woke up at 6 a.m. on the other side of the state, spent most of the day at the fair and caught an hour-long flight home to dance in Seattle. They got home around 1 a.m., exhausted and accomplished.

They hope students in next year’s engineering and design program will find projects they’re passionate about, and have fun while they figure out ways to make a difference in the world.

Kari Bray: 425-339-3439; kbray@heraldnet.com.

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