Egeria densa

Scientific name	Egeria densa/Elodea densa
Common name	Giant Elodea, Waterweed
Origin	Central and South America
Aquarium use	Background
Lighting	Bright
Temperature	10-25oC (50-77oF)
Water chemistry	Hard and alkaline
Substrate	Plain gravel
Comments	This plant grows rapidly in sufficient light. It can be easily propagated by cuttings. It will tend to be paler and thinner if grown in softer, more acidic water.