Acropora austera is a medium-sized Small Polyp Stony (SPS) coral known for its beautiful branching formations and vibrant colouration. This species is a popular choice among experienced marine aquarists aiming to create a dynamic and colourful reef display.
Lighting Requirements: Acropora austera thrives under strong, high-intensity lighting such as metal halide, T5, or high-output LED systems. Providing a PAR range of 250-400 µmol/m²/s will support optimal growth and vibrant pigmentation.
Water Flow: Moderate to high water flow is essential to ensure proper gas exchange and to prevent detritus accumulation around the coral’s branches. Aim for turbulent, indirect flow to mimic natural reef conditions.
Placement: Position this coral higher in the aquarium to maximise light exposure while ensuring it is not directly blasted by water flow. Maintain adequate spacing from neighbouring corals to prevent aggressive interactions and allow room for growth.
Care Level: This species is best suited to intermediate to advanced hobbyists due to its specific lighting and water quality needs. Stable water parameters and regular monitoring are crucial for success.
Water Parameters: Maintain temperature between 24-27°C, salinity at 1.025-1.026 SG, calcium 400-450 ppm, alkalinity 8-12 dKH, and magnesium 1250-1350 ppm.
Compatibility and Reef Safety: Acropora austera is reef safe with adequate spacing from other corals to avoid stinging or overgrowth. It coexists well with peaceful reef inhabitants.
Feeding: While primarily photosynthetic, occasional feeding with coral foods such as phytoplankton or specialised SPS coral supplements can enhance growth and colour.
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