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Saltwater Aquarium Guide Reef-keeping magazine
Beginner & Setup Guides

Office Nano Reef: A 20-Gallon Build for the Workplace

Quiet equipment, low-maintenance livestock, and clean cabling for an office reef that survives long weekends.

Small reef tank with clownfish swimming among anemones under blue light
Photo: Theo Laflamme / Unsplash

An office reef must be silent, low-maintenance, and survive 3-day weekends without intervention. Here is the proven build.

Equipment priorities

  • AIO cube to hide all equipment
  • Whisper-quiet return pump
  • ATO with 1-week reservoir
  • Auto feeder for weekends