Two aquariums from Southeast Asia: calm forest streams and peat swamps with soft, brown water, and fast mountain streams with cool, oxygen-rich water.

How to set up a North American aquarium5 min read

Streams and ponds in North America are often cool. How to set up an aquarium without a heater, with pygmy sunfish, shiners and darters.

How to care for aquarium plants3 min read

Light, nutrients and CO₂ in balance, low tech versus high tech, and how to read from the leaves what your plants are missing.