Why does my Calypso Chalice Coral lose color under strong LED lighting while other LPS look fine?

Echinophyllia often shifts pigments under high PAR, especially heavy blue/UV, leading to edge recession and washed centers. Start it low and shaded, then acclimate over 3–4 weeks. Aim for moderate PAR (80–150), with a balanced blue-violet spectrum and some white/red to preserve eye and rim contrast. Keep nutrients non-zero (NO3 5–15 ppm, PO4 0.03–0.1) to prevent paling.

My chalice is receding from the rim inward—what targeted steps help stop “chalice melt”?

Check for rapid alkalinity swings first; stabilize dKH around 8–9. Increase gentle, laminar flow across the rim to reduce detritus. Night-target feed fine particulate foods 2–3x weekly to support recovery. Inspect for vermetid snails and nudibranchs; remove and consider an iodine or broad-spectrum antibacterial dip. Reduce light 20–30% during recovery and maintain stable temp/salinity.

Do Calypso Chalice sweeper tentacles threaten nearby corals, and how far should I space them?

At night, Echinophyllia can extend short sweepers and deploy mesenterial filaments that digest neighbors on contact. Give 3–6 inches of clearance from meaty LPS (acans, favias) and sensitive SPS encrusters. Maintain moderate, directional flow so filaments don’t drape onto other colonies. A stable rock “island” helps contain its growth margin and prevents accidental stings.

What subtle signs show this chalice wants different flow rather than different light?

If the rim traps film algae or detritus, with dull tissue despite acceptable PAR, flow is likely low. Look for puckered margins, localized cyano on the edge, and slow polyp extension at night. Increase linear flow across the plate without blasting the tissue. Improved polyp inflation at dusk and cleaner margins within a week confirm the adjustment worked.

TSA Calypso Chalice Coral

Chalice LPS

Overview

Calypso Chalice Coral shows a flattened, undulating plate with raised ridges and contrasting eye-like mouths. Echinophyllia sp. Coral is an LPS, plating/encrusting type that does well under low to moderate light and gentle to moderate water flow. It is photosynthetic via symbiotic algae but benefits from occasional small meaty feedings, which can boost growth and deepen color. Place on a stable surface with space around it, as nighttime sweeper tentacles can sting nearby corals.

Quick Facts

Care Moderate

Lighting Low–Moderate

Flow Low–Moderate

Placement Low–Mid

Temperament Aggressive (6–8 inches spacing)

Recommended Parameters

Temp 76–80°F

pH 8.1–8.4

Salinity 1.025–1.026

Calcium 420–450 ppm

AlkAlkalinity 8–9 dKH

Magnesium 1280–1350 ppm

Feeding photosynthetic (primary), mysis shrimp, enriched brine shrimp, rotifers, copepods, cyclops, microplankton, coral-specific powdered foods, finely minced seafood, marine snow

Care & Placement

Calypso Chalice Coral (Echinophyllia sp. Coral) thrives under stable, slightly nutrient-rich reef conditions with low–moderate light (PAR 75–125) and gentle, indirect flow that is enough to keep detritus off the surface without lifting tissue. Place low to mid in the tank on a stable, shaded-to-dim spot; start in lower light and gradually increase over 2–3 weeks to avoid bleaching. Maintain temperature 24–26°C (75–79°F), pH 8.1–8.4, salinity 1.025–1.026, calcium 400–450 ppm, alkalinity 8–9.5 dKH, magnesium 1280–1350 ppm, nitrate 2–10 ppm, and phosphate 0.03–0.08 ppm. Test weekly with reliable kits; watch for alkalinity swings, which often trigger tissue recession. Feed 2–3 times weekly after lights out with small meaty foods (mysis, roe, finely chopped shrimp) or coral foods; briefly pause flow during feeding, then restore. Moderate feeding supports growth and can improve coloration.This coral encrusts and plates, is semi-aggressive, and extends short sweeper tentacles; provide 3–6 inches of space from neighbors and keep away from fast-growing softies that can overrun it. Acclimate by dipping, drip acclimating, and light acclimating with screen or reduced photoperiod. Avoid direct sand abrasion and strong, laminar jets. Common issues: bleaching from too much light, recession from unstable parameters, brown jelly after tissue damage. Troubleshoot by stabilizing alkalinity/salinity, reducing light intensity, slightly increasing diffused flow, performing targeted feedings, and using an appropriate coral dip if infection or pests are suspected.

FAQ

Frequently Asked Questions

About the TSA Calypso Chalice Coral

Why does my Calypso Chalice Coral lose color under strong LED lighting while other LPS look fine?

Echinophyllia often shifts pigments under high PAR, especially heavy blue/UV, leading to edge recession and washed centers. Start it low and shaded, then acclimate over 3–4 weeks. Aim for moderate PAR (80–150), with a balanced blue-violet spectrum and some white/red to preserve eye and rim contrast. Keep nutrients non-zero (NO3 5–15 ppm, PO4 0.03–0.1) to prevent paling.
My chalice is receding from the rim inward—what targeted steps help stop “chalice melt”?

Check for rapid alkalinity swings first; stabilize dKH around 8–9. Increase gentle, laminar flow across the rim to reduce detritus. Night-target feed fine particulate foods 2–3x weekly to support recovery. Inspect for vermetid snails and nudibranchs; remove and consider an iodine or broad-spectrum antibacterial dip. Reduce light 20–30% during recovery and maintain stable temp/salinity.
Do Calypso Chalice sweeper tentacles threaten nearby corals, and how far should I space them?

At night, Echinophyllia can extend short sweepers and deploy mesenterial filaments that digest neighbors on contact. Give 3–6 inches of clearance from meaty LPS (acans, favias) and sensitive SPS encrusters. Maintain moderate, directional flow so filaments don’t drape onto other colonies. A stable rock “island” helps contain its growth margin and prevents accidental stings.
What subtle signs show this chalice wants different flow rather than different light?

If the rim traps film algae or detritus, with dull tissue despite acceptable PAR, flow is likely low. Look for puckered margins, localized cyano on the edge, and slow polyp extension at night. Increase linear flow across the plate without blasting the tissue. Improved polyp inflation at dusk and cleaner margins within a week confirm the adjustment worked.