Chaeto Algae - Chaetomorpa spp.
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Chaeto Algae, also known as Chaetomorpha, is a highly versatile and fast-growing macroalgae prized for its bright green, hair-like strands that form dense, bushy tufts. Its rapid nutrient uptake makes it an excellent natural filter in refugiums, helping control nitrates and phosphates while providing a habitat for microfauna.
Common Name: Chaeto Algae
Scientific Name: Chaetomorpha spp.
Family: Cladophoraceae
Size: Forms dense, tangled clumps that can reach several inches across
Difficulty: Easy
Native Region: Global tropical and subtropical marine waters
Tank Size: Suitable for nano to large aquariums
Temperature: 72–80°F (22–27°C)
pH: 8.0–8.4
Lighting: Moderate
Substrate: Not required; keep free-floating or lightly tied in a refugium basket
• Excellent for nutrient export and improving overall water quality
• Grows best with gentle flow to prevent detritus accumulation
• Provides microhabitat for copepods and small invertebrates
• Can be regularly harvested to maintain optimal growth and prevent overgrowth