Guides

• Why the Inch-Per-Gallon Rule Fails

  Learn why the inch-per-gallon rule fails when stocking fish. A 60 cm tank holds just 35.8 L of real water, requiring careful planning of body mass and space.

• Aquarium Nitrogen Cycle: Fishless Cycling Guide

  Learn how the aquarium nitrogen cycle works, how to start fishless cycling with an ammonia target of 3 mg/L, and how to verify your filter is ready.