Thus, with help from family and friends and a ton of internet research, Garden Pool was born. What was once a yawning cement hole was transformed into an incredibly prolific closed-loop ecosystem, growing everything from broccoli and sweet potatoes to sorghum and wheat, with chickens, tilapia, algae, and duckweed all interacting symbiotically to provide enough food to feed a family of five.

Within a year, Garden Pool had slashed up to three-quarters of the McClungs’ monthly grocery bill (they still buy things like cooking oil and coffee and, well, one can’t eat tilapia every day). Within five years, it’d spawned an active community of Garden Pool advocates – and Garden Pools – across the country and the world.