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Sabellastarte magnifica
A marine tube worm with a stunning feathery crown used for filter feeding. Retracts quickly when disturbed. Peaceful and easy to keep in reef tanks.
Old Tank Syndrome
Water quality slowly worsens over months or years despite regular small water changes.
Temperature Shock
Sudden temperature swings after water changes, heater failure or power cuts stress fish.
Cloudy Water
Milky or hazy water that never fully clears.
Common invertebrate problems
Stocking calculator
Compatibility checker