Shade mudflower

How to set up a South American aquarium4 min read

Soft, acidic water, subdued light, sand, roots and fallen leaves: how to set up a biotope aquarium from the Amazon and the rivers around it.

How to set up a Central American aquarium5 min read

Hard, alkaline water, sand and rock: an aquarium from the rivers and lakes of Mexico and Central America, with cichlids and livebearers.

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.