How do I keep the “Lunar Lemonade” yellow tones on Acropora tenuis without it turning green or brown?

Aim for PAR 300–450 with strong blue/UV, moderate white. Keep nutrients non-zero: NO3 ~5–15 ppm, PO4 0.03–0.08 ppm. Too lean drives pastel/washed tips; too rich deepens green/brown. Maintain alk 8–9 dKH with minimal swing. Trace balance matters—iron and potassium influence yellow/blue; test and dose cautiously to avoid color shifts.

My tenuis is paling at the tips—burn, growth, or light shock?

If tips are evenly pale with good polyp extension, that’s normal new growth. Burn shows stark white, receded tissue and reduced extension; reduce PAR 10–20% and increase flow. Light shock follows a rapid light increase; use screen/acclimation mode over 2–3 weeks. Confirm alk stability and avoid rapid nutrients drops.

Best way to mount and shape this coral for dense corymb growth?

Encourage a wide base first. Mount frags at a slight angle or horizontally so multiple axial corallites form, then raise light/flow once it encrusts. Space 3–4 inches from neighbors to avoid shading. Turbulent, alternating flow that sweeps all sides prevents dead zones and promotes tight, branching clusters rather than spindly vertical shoots.

Are there pests this coral is especially sensitive to, and how can I catch them early?

Watch for AEFW (bite marks, oval eggs on undersides) and red bugs (tiny orange dots on polyps). Dip new frags (e.g., iodine, Bayer alternatives) and inspect with a jeweler’s loupe. AEFW eggs resist many dips—scrape or cut affected areas. Stable nutrients and strong flow support recovery after treatments; avoid stacking dips with major parameter changes.

Lunar Lemonade Acropora Coral

Acropora SPS

Overview

Lunar Lemonade Acropora Coral shows bright yellow-green branching with tight axial corallites and contrasting polyps. Acropora tenuis is a small-polyp stony branching coral that prefers strong light and high, turbulent water flow. It relies mainly on symbiotic algae for energy but benefits from occasional small, particulate foods, which can support growth and color. Place high on stable rockwork with space for vertical and lateral growth, and keep clear of aggressive corals with long sweepers.

Quick Facts

Care Difficult

Lighting High

Flow High

Placement High

Temperament Peaceful (3–4 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 (primary), microplankton, rotifers, copepod nauplii, oyster eggs, powdered coral foods (e.g., Reef-Roids), amino acid supplements, dissolved organics

Care & Placement

Lunar Lemonade Acropora Coral (Acropora tenuis) thrives in very stable, clean, nutrient-balanced systems. Target 75–78°F (24–26°C), pH 8.1–8.4, salinity 1.025–1.026 (35 ppt), calcium 420–460 ppm, alkalinity 8.0–9.5 dKH, magnesium 1300–1400 ppm, nitrate 2–10 ppm, phosphate 0.02–0.06 ppm. Test at least weekly and dose to maintain steady numbers; swings cause tissue loss. Place in the upper third with 250–350 PAR under LED/T5/metal halide. Light acclimate over 2–3 weeks (screening, reduced intensity, or shortened photoperiod) to avoid bleaching. Provide strong, random flow (gyre plus pulsing) to keep polyps clean and prevent detritus buildup; avoid direct, laminar jets.Feed 1–2 times weekly with fine particulate foods (rotifers, reef roids) and consider low-dose amino acids; feed after lights down with pumps briefly reduced. Mount on stable rock with room to grow; leave 3–4 inches from neighbors. Avoid stinging LPS and aggressive soft corals. Acropora are generally non-aggressive but can shade or grow over nearby SPS. Quarantine and dip new frags to prevent pests (AEFW, red bugs); inspect bases and encrusted areas. Acclimate by floating to match temperature, then drip 20–30 minutes. Common issues: bleaching (too much light/heat, low nutrients), slow/rapid tissue necrosis (alk swings, pests). For recession, restore stability, increase aeration/flow, perform a large but matched water change, and frag healthy tips if needed. Use an ATO for salinity stability, keep nutrients detectable, and verify light with a PAR meter when possible.

FAQ

Frequently Asked Questions

About the Lunar Lemonade Acropora Coral

How do I keep the “Lunar Lemonade” yellow tones on Acropora tenuis without it turning green or brown?

Aim for PAR 300–450 with strong blue/UV, moderate white. Keep nutrients non-zero: NO3 ~5–15 ppm, PO4 0.03–0.08 ppm. Too lean drives pastel/washed tips; too rich deepens green/brown. Maintain alk 8–9 dKH with minimal swing. Trace balance matters—iron and potassium influence yellow/blue; test and dose cautiously to avoid color shifts.
My tenuis is paling at the tips—burn, growth, or light shock?

If tips are evenly pale with good polyp extension, that’s normal new growth. Burn shows stark white, receded tissue and reduced extension; reduce PAR 10–20% and increase flow. Light shock follows a rapid light increase; use screen/acclimation mode over 2–3 weeks. Confirm alk stability and avoid rapid nutrients drops.
Best way to mount and shape this coral for dense corymb growth?

Encourage a wide base first. Mount frags at a slight angle or horizontally so multiple axial corallites form, then raise light/flow once it encrusts. Space 3–4 inches from neighbors to avoid shading. Turbulent, alternating flow that sweeps all sides prevents dead zones and promotes tight, branching clusters rather than spindly vertical shoots.
Are there pests this coral is especially sensitive to, and how can I catch them early?

Watch for AEFW (bite marks, oval eggs on undersides) and red bugs (tiny orange dots on polyps). Dip new frags (e.g., iodine, Bayer alternatives) and inspect with a jeweler’s loupe. AEFW eggs resist many dips—scrape or cut affected areas. Stable nutrients and strong flow support recovery after treatments; avoid stacking dips with major parameter changes.

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