ARC Fireworks Acropora Coral
Overview
ARC Fireworks Acropora Coral shows branching, clustered corallites with contrasting tip coloration. Acropora tenuis is a small-polyp stony branching coral that prefers strong lighting and strong, turbulent water flow. It relies on symbiotic algae for most nutrition but can benefit from occasional fine particulate foods, which may support growth and maintain coloration. Place high on stable rock with room for upward growth, and keep distance from aggressive stinging corals.
Quick Facts
Care
Difficult
Lighting
High
Flow
High, turbulent
Placement
High
Temperament
Peaceful (2–3 inches spacing)
Recommended Parameters
Temp
76–80°F
pH
8.1–8.4
Salinity
1.025–1.026
Calcium
420–450 ppm
AlkAlkalinity
7.5–9 dKH
Magnesium
1280–1350 ppm
Feeding
photosynthetic, microplankton, rotifers, copepod nauplii, oyster eggs, powdered coral foods (e.g., Reef Roids), marine snow
Care & Placement
FAQ
Frequently Asked Questions
About the ARC Fireworks Acropora Coral
-
Why does my ARC Fireworks Acropora (Acropora tenuis) lose its neon tips and sparkle over time?
Color washout usually traces to light spectrum and nutrient balance. Aim for strong blue-violet (420–460 nm) with PAR ~250–350 at the colony. Keep nitrate 2–10 ppm, phosphate 0.03–0.08 ppm; ultra-low nutrients mute pigments. Maintain stable alkalinity 7.5–8.5 dKH and avoid rapid changes. Acclimate to higher light over 2–3 weeks. Trace elements like potassium, iron, and manganese help, but dose only with testing. -
How can I manage the bushy growth to prevent base recession in ARC Fireworks tenuis?
A. tenuis forms dense, outward-branching clusters that can shade the base. Provide strong, cross-flow (30–50x turnover) using alternating patterns to flush the interior. Periodically trim lower, inward branches to open pathways. Mount the frag where light reaches the base (angled or on an exposed ledge). If you see tissue thinning underneath, increase flow to the skeleton and slightly reduce peak PAR for a week. -
My ARC Fireworks shows poor polyp extension—what should I check beyond basic parameters?
First, rule out nippers (wrasses, angels) and pests (AEFW bite marks, red bugs). PE often drops with alkalinity swings; verify daily stability. Excessively clean water or heavy white light can suppress PE—bump nighttime blue and keep nutrients in the low-but-detectable range. Gentle amino dosing or occasional fine particulate foods (100–300 µm) at lights-out can help. If PE remains uneven, inspect shaded areas for detritus buildup and increase targeted flow. -
What’s the best way to frag ARC Fireworks to keep the tips colorful and branching?
Cut just below healthy axial tips, avoiding crushing corallites. Mount small frags horizontally or at a slight tilt to prompt multiple new axial points and a fuller crown. Dip in iodine, place in high, turbulent flow for healing, and keep PAR modest (200–250) for the first week. Don’t frag during active STN/RTN. Quarantine new pieces and inspect for eggs/flatworms before introducing to the display.