Freshwater
Pogostemon erectus
Lamiaceae
Lamiaceae
How many hours the light should be on, why more light does not mean better plants, and how to avoid algae.
Two aquariums from Southeast Asia: calm forest streams and peat swamps with soft, brown water, and fast mountain streams with cool, oxygen-rich water.
Light, nutrients and CO₂ in balance, low tech versus high tech, and how to read from the leaves what your plants are missing.