Quick Care Facts

Water Type
Freshwater
Light Requirement
Low
CO2 Requirement
Not required
Growth Rate
Slow
Temperature
20-28°C (68-82°F)
pH Range
6.0-7.5
Placement
Attached to driftwood or rocks rather than buried in substrate
Nutrients
Feeds primarily from the water column; benefits from liquid fertilizer

Overview & Characteristics

Java Fern is a classic, hardy aquatic plant known for its dark green, crinkled leaves and easy care requirements.

Water Parameters & Environment

Stable water parameters are critical for long-term health. Avoid rapid fluctuations in temperature and pH when performing routine water changes.

  • Temperature: 20-28°C (68-82°F)
  • pH Range: 6.0-7.5
  • Water Type: Freshwater

Lighting, CO2 & Aquascaping

Lighting & Carbon: Requires Low light. CO2 supplementation is Not required.

Placement: Attached to driftwood or rocks rather than buried in substrate

Nutrient Demands: Feeds primarily from the water column; benefits from liquid fertilizer

Health & Sensitivities

Black spots on leaves are often reproductive sporangia, not a disease; melting can occur when transitioning

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Editorial methodology

Aqua AI species profiles are compiled from canonical database records, taxonomy standards, and verified captive husbandry guidelines. Captive water ranges represent general baseline parameters; always observe livestock behavior and perform regular water tests.