Egeria Crispa

🌿 Species Profile

• Common Name: Curly Waterweed
• Scientific Name: Egeria crispa (often treated as a form of Egeria densa)
• Plant Type: Stem plant
• Origin: South America
• Growth Rate: Very fast
• Difficulty: Easy
• Placement: Background

🌱 Appearance

• Long green stems with curled or slightly wavy leaves
• Dense whorls of leaves along the stem
• Can form thick bushy growth quickly
• Size:
  • Height: 30–100+ cm (12–40+ in)
  • Width: spreads via branching stems

🧪 Tank Requirements

• Temperature: 18–28°C
• pH: 6.0–7.5
• Hardness: Very adaptable (soft to hard water)
• Lighting: Low to medium (higher light = faster growth)
• CO₂: Not required

🌿 Substrate & Nutrition

• Can grow floating or planted
• No special substrate needed
• Absorbs nutrients directly from water column
• Benefits from:
  • Regular liquid fertilizer
  • Nitrogen and micronutrients

✂️ Care Tips

• Grows very fast → needs frequent trimming
• Remove lower leaves if shaded
• Replant cuttings easily
• Can become invasive in open ponds/tanks

🌱 Propagation

• Very easy:
  • Cut stem → replant in substrate
  • New roots form quickly

🐟 Aquarium Use

Best for:

• Background bush formation
• New tank cycling (absorbs ammonia/nutrients)
• Oxygenation plant

Compatible with:

• Most community fish
• Livebearers
• Shrimp
• Goldfish (in cold-water setups, though may be eaten)