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That was part of the design goal when I built it, it needed to look like it belonged in the living/dining room area as well as function properly to grow large amounts of food for us. The continuous waterfall sounds are peaceful most of the time, although sometimes it conflicts with the tv if we are trying to watch a movie. ;-)

Here is the build post for it:
https://steemit.com/gardening/@steempowergarden/home-gardening-with-hydroponics-our-indoor-lettuce-wall-garden-and-how-i-built-it-repost