
Freshwater
Najas indica
Hydrocharitaceae

Hydrocharitaceae
Lives wild in Andaman Is., Bangladesh, Cambodia, China, China Southeast, India, Indonesia, Japan, and 8 more countries.
Najas indica is a species of aquatic plant found in freshwater habitats, especially still or slow-moving waters, like ponds and rice fields. The flowers are monoecious.
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.