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ProblemsStaghorn Algae

algae

Staghorn Algae

Grey-green branching tufts shaped like antlers on plant tips and filter outlets.

Symptoms

Grey-green branching tufts that look like antlers
Grows on plant tips and filter outlets
Prefers high-flow areas

Common Causes

CO₂ fluctuations in planted tanks
Nutrient imbalance with low phosphate
Unstable water chemistry

What to Check

CO₂ drop checker stability
Phosphate and potassium levels
Flow pattern around the growth

What Not to Do

Do not cut CO₂ off completely to stop it
Do not use strong oxidizers on delicate plants

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This guide is informational and does not replace professional veterinary advice. If fish are severely ill, consult a veterinarian.