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Goniopora stokesi
The flower pot coral — challenging to keep long-term without diligent feeding.
PAR Meter
Return Pump
Circulation Pump (Powerhead)
Protein Skimmer
Cyanobacteria (Blue-Green Slime)
Slimy blue-green or dark purple patches with a foul odor.
High Ammonia Poisoning
Elevated ammonia levels cause burns, redness and rapid breathing.
Old Tank Syndrome
Water quality slowly worsens over months or years despite regular small water changes.
Common coral problems
Compatibility checker
Salt mixing calculator
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