Why did my Burning Embers lose their vivid orange centers after a lighting change?

Their pigments respond strongly to spectrum and PAR. Aim for moderate PAR (80–150) with strong blue/UV (420–470 nm). Too much white or sudden high PAR can wash colors or cause shrinkage; too little light dulls glow. Acclimate slowly, keep nutrients moderate (nitrate 5–15 ppm, phosphate 0.03–0.1), and maintain stable alkalinity. Colors often rebound within 2–4 weeks once conditions are consistent.

My colony is staying closed and “melting” at the base—what should I check first?

Inspect at night for zoa-eating nudibranchs, sundial snails, and spiders. Remove pests and use an iodine-based dip. Increase random flow to prevent detritus on the mat, and siphon film algae. Rule out volatile organics from chemical warfare; run fresh carbon. Verify temp stability and salinity. If recession persists, isolate the frag and improve cleanliness; most issues trace to pests, low flow, or swings.

How can I control fast spread without losing the tight colony look?

Mount Burning Embers on an “island” rock with a sand moat. When they approach the edge, score the mat with a sharp blade and peel a thin strip away, then superglue a border to halt growth. Alternatively, place on removable tiles and swap tiles as they fill. Regular pruning maintains the dense dome while protecting neighbors.

Do Burning Embers respond to feeding, or is light enough?

They thrive on light but grow fuller skirts with occasional fine foods (rotifers, reef roids, or enriched nauplii). Target-feed lightly once or twice weekly with pumps paused, then resume flow after 10–15 minutes. Avoid overfeeding; aim for stable, mildly nutrient-rich water. Trace iodide and iron at natural levels can support polyp vigor, but don’t dose blindly—test first.

Burning Embers Zoanthids Coral

Zoanthids

Overview

Burning Embers Zoanthids Coral has small button-like polyps with orange centers and darker skirts. Zoanthus sp., a colonial soft polyp coral, does well under moderate light and gentle to moderate water flow. It is primarily photosynthetic via symbiotic algae but benefits from occasional small particulate foods to support growth and maintain color. Place on an isolated rock with space to spread, avoid touching aggressive corals, and handle carefully due to potential palytoxin.

Quick Facts

Care Easy

Lighting Moderate

Flow Moderate, indirect

Placement Low–Mid

Temperament Peaceful (2–3 inches spacing; may overgrow neighbors)

Recommended Parameters

Temp 76–82°F

pH 8.1–8.4

Salinity 1.025–1.026

Calcium 400–450 ppm

AlkAlkalinity 8–11 dKH

Magnesium 1250–1350 ppm

Feeding photosynthetic (primary), phytoplankton, microplankton, rotifers, Cyclops, baby brine shrimp nauplii, powdered coral foods, marine snow

Care & Placement

Burning Embers Zoanthids Coral (Zoanthus sp.) thrives in stable, reef-quality water with moderate light and flow. Aim for PAR around 80–150; too much light can cause bleaching, too little leads to stretching and dull color. Provide moderate, varied flow to keep detritus from settling and to carry away slime after feeding, but avoid a direct blast that keeps polyps closed. Place low to mid in the tank on a small “island” rock to manage spread; give 2–3 inches of space from neighbors. They’re generally peaceful but can overgrow slower corals; avoid contact with corals that have long stinging sweepers. Target feed once or twice weekly with fine foods (rotifers, reef roids, powdered zoa blends) to support growth and color, though they also gain energy from light.Keep temperature 24–26°C (75–79°F), salinity 1.025–1.026, pH 8.1–8.4, alkalinity 8–9.5 dKH, calcium 400–450 ppm, magnesium 1250–1350 ppm, nitrate 2–10 ppm, phosphate 0.03–0.10 ppm. Test weekly and prioritize stability; Zoanthus dislike rapid swings. Acclimate by floating to match temperature, then drip 20–30 minutes; light acclimate by starting lower and moving up over 1–2 weeks or using a screen. Dip new frags to exclude pests (nudibranchs, spiders) and handle with care—some zoas can contain palytoxin; use gloves and eye protection. Troubleshooting: closed polyps often indicate pests, irritation from too much flow, or dirty water; pale polyps suggest excess light or low nutrients; recession can follow alkalinity swings.

FAQ

Frequently Asked Questions

About the Burning Embers Zoanthids Coral

Why did my Burning Embers lose their vivid orange centers after a lighting change?

Their pigments respond strongly to spectrum and PAR. Aim for moderate PAR (80–150) with strong blue/UV (420–470 nm). Too much white or sudden high PAR can wash colors or cause shrinkage; too little light dulls glow. Acclimate slowly, keep nutrients moderate (nitrate 5–15 ppm, phosphate 0.03–0.1), and maintain stable alkalinity. Colors often rebound within 2–4 weeks once conditions are consistent.
My colony is staying closed and “melting” at the base—what should I check first?

Inspect at night for zoa-eating nudibranchs, sundial snails, and spiders. Remove pests and use an iodine-based dip. Increase random flow to prevent detritus on the mat, and siphon film algae. Rule out volatile organics from chemical warfare; run fresh carbon. Verify temp stability and salinity. If recession persists, isolate the frag and improve cleanliness; most issues trace to pests, low flow, or swings.
How can I control fast spread without losing the tight colony look?

Mount Burning Embers on an “island” rock with a sand moat. When they approach the edge, score the mat with a sharp blade and peel a thin strip away, then superglue a border to halt growth. Alternatively, place on removable tiles and swap tiles as they fill. Regular pruning maintains the dense dome while protecting neighbors.
Do Burning Embers respond to feeding, or is light enough?

They thrive on light but grow fuller skirts with occasional fine foods (rotifers, reef roids, or enriched nauplii). Target-feed lightly once or twice weekly with pumps paused, then resume flow after 10–15 minutes. Avoid overfeeding; aim for stable, mildly nutrient-rich water. Trace iodide and iron at natural levels can support polyp vigor, but don’t dose blindly—test first.

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