This 3-gallon (11-L) reef, complete with stony corals and an astonishing array of marine organisms is tracked as it matures and evolves over its three-year life by owner Aaron Belandre, known to members of the Nano-Reef.com forum as El Fab—a bit of a legend in his own time among pico reef enthusiasts.

Spoiler alert: Belandre had to move the tank toward the end of the time period, and the results are dismaying to watch.

CREDIT: Aaron Belandre | YouTube

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