People treat Dwarf hairgrass like decoration. It is closer to a slow, quiet pet that responds to the water you keep. The Eleocharis parvula Dwarf hairgrass is a workhorse plant for a reason: it tolerates a wide range of conditions and still looks good doing it.
At a glance
| Light | high |
|---|---|
| Temperature | 22 to 28 °C |
| pH | 6.0 to 7.5 |
| Height | 5 to 12 cm |
| CO₂ | beneficial |
| Growth | moderate |
Planting
Plant Dwarf hairgrass with the crown or rhizome clear of the substrate — burying it rots the base. In a 25-gallon tank, position it mid-ground or background depending on its height. Weaker setups do fine; pair it with the malaysian trumpet snail care: the burrowing cleaner for a layered look.
Light and CO₂
Run 9 hours of light a day on a timer to avoid algae swings. Dwarf hairgrass grows under high light and beneficial, though a small, steady dose of liquid fertiliser every 4 weeks pushes denser growth.
Propagation
Runners form a dense carpet under strong light.
Common issues
Yellowing lower leaves usually mean a nutrient gap, not too little light. Trim dying leaves at the base, keep nitrates around 10 to 20 ppm, and avoid moving the plant every week — the staurogyne repens guide explains why stability beats tinkering.
CO₂ dosing notes
Add a steady, small CO₂ dose and the Dwarf hairgrass colours up and grows denser. Match the bubble rate to your tank litres, keep flow gentle, and watch for algae if light and CO₂ drift out of balance.
