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Everything published on Animal Spaces, newest first. Each article names its sources at the foot of the page.

Diagram of the nitrogen cycle in a planted freshwater aquarium
The Nitrogen Cycle: Why a New Aquarium Needs Weeks Before FishAmmonia, nitrite, nitrate and the bacteria that link them. How to cycle a tank properly and why patience prevents most beginner losses.
Three aquascape layouts compared: Iwagumi stones, Dutch plant terraces and a biotope tank
Aquascaping Styles: Nature, Iwagumi, Dutch and BiotopeThe four main aquascaping styles, the rules behind each layout, and how to choose one that suits your tank and your patience.
Community aquarium showing fish occupying top, middle and bottom water layers
Stocking a Community Tank Without RegretShoal sizes, water layers, temperament and adult size: how to choose fish that live well together instead of merely surviving.