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Reef Local — Coral Frags

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Coral Care Library / Halimeda (Cactus Algae)

Halimeda (Cactus Algae) Care Guide

Halimeda opuntia

Type: Macroalgae | Difficulty: moderate | PAR: 150–320 | Flow: med | Nutrients: low

Calcifying green macroalgae with segmented pads; attractive in lagoon-style displays and generally slow-growing. Calcifies; may contribute to calcium/alkalinity consumption.

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