24k Leptoseris

The 24k Leptoseris is a stunning, golden encrusting coral. Its bright metallic sheen pops under blue LEDs. With the right care, it can quickly become a showpiece in your reef.

Understanding 24k Leptoseris and Ideal Placement

24k Leptoseris is an encrusting LPS/SPS-border coral. It grows as thin plates over rock. The tissue is delicate, so stable conditions are essential. Sudden swings often cause recession along the edges.

This coral prefers low to moderate light. Aim for 75–150 PAR at the coral’s surface. Too much light will wash out the gold color and cause bleaching. Start it in a shaded area and move it slowly brighter over two to three weeks.

Place your 24k Leptoseris on stable rockwork. Avoid sandbed placement where sand can blow onto the tissue. The coral will creep over rock, so leave space around the frag. Keep at least 2–3 cm from aggressive neighbors with long sweeper tentacles.

Target PAR: 75–150
Flow: low to moderate, indirect
Temperature: 24–26°C (75–79°F)
Salinity: 1.025–1.026 specific gravity

Use gentle, random flow. Strong, direct flow can peel tissue from the skeleton. Watch for tissue flapping or exposed white skeleton. If you see this, reduce flow or redirect your powerhead.

Care, Feeding, and Troubleshooting Color Loss

24k Leptoseris does best in stable, nutrient-balanced water. Keep alkalinity between 8–9.5 dKH. Maintain calcium at 420–450 ppm and magnesium at 1300–1400 ppm. Avoid daily swings greater than 0.5 dKH.

This coral is photosynthetic but benefits from feeding. Offer small-particle foods two to three times per week. Good options include reef roids, powdered plankton, or fine mysis blends. Turn off flow for 10–15 minutes while feeding so food can settle on the surface.

Feed at night or just after lights dim
Use a pipette to gently target feed
Do not blast the tissue with strong jets
Remove uneaten food after 20–30 minutes

Watch for color changes. Pale or faded gold often means too much light or too little nutrients. Aim for nitrate between 5–15 ppm and phosphate between 0.03–0.08 ppm. If nutrients hit zero, increase feeding and reduce aggressive filtration like heavy GFO.

Common mistakes include rapid acclimation, placing it directly under high-power LEDs, and ignoring alkalinity swings. When adding a new frag, start it on the sand in a shaded area. Over 7–10 days, move it up to its final spot. Test alkalinity at least twice per week in growing systems.

If tissue recedes from the edge, check alkalinity and salinity first
If the coral browns, slightly increase light over two weeks
If it bleaches, lower PAR by 25–30% and increase feeding

With patience and stable parameters, your 24k Leptoseris will form bright golden plates. It can eventually cover entire rocks, creating a glowing, molten-metal effect in your reef.

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