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Dwarf Hairgrass (Eleocharis parvula) | Home Fish Aquarium Guide

Home Fish Aquarium Guide

Fishkeeping Information and Resources for the Home Aquarium



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Dwarf Hairgrass (Eleocharis parvula)

Dwarf hairgrass can make a wonderful carpet plant in a freshwater aquarium. The grass tends to grow about 2 inches tall. It is a medium growth rate plant. It makes an excellent spawning medium, or fry hideout and can tolerate medium light. It requires a more nutrient rich substrate. It should do wonderfully in a Walstad Planted Tank.

Although it can spread readily, it’s recommended to space plugs apart a bit so that it can fill in and colonize the areas between plantings. It spreads by rhizomes underneath the substrate. The leaves can be trimmed to a shorter length if you like.

One of the negatives of Dwarf hairgrass is that it can be a resting place for debris and a good place for algae to grow. This can be difficult to remove from the hairgrass depending on the type of algae.

One difficulty some people have in establishing dwarf hairgrass in their tank is that they may be grown emersed (above water) before the aquarist acquires it. The plant needs time to adjust to growing underwater. Many times leaves that are grown above water will not survive and function below the surface of the water.

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February 11, 2011 - 9:15 PM