Dwarf Water Lettuce, Aquatic Plants, Aquarium Plants, Floating Plants Fish Tank Houseplants - this listing is for a cup of dwarf water lettuce (5-8ish floaters) - fast growing and will spread/double the amount in your tank very quickly! - I ship out in 1-2 days. Bundle and save! I accept most offers:) Dwarf Water Lettuce is a super easy floating aquatic plant for any fish tank. Too many nitrates? No problem! Dwarf water lettuce absorbs ammonia and nitrates. Acts as a natural filter which prevents algae growth and improves water quality. Fast growing and beginner friendly. Water lettuce can double its population size in less than three weeks. It doesn't require special soil or fertilizers either. Fish and shrimp haven: The dense rosettes provide shade and shelter for fish fry, shrimp, and other aquatic creatures. Tags: indoor plants, pond plant, fishies, guppies, aquatic shrimp, petco, Petsmart, father fish, aqueon, top fin, underwater plant, submerged