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Tubastraea faulkneri
Non-photosynthetic coral. Needs direct feeding.
Water Test Strips
Refractometer
Aquarium Thermometer
Master Test Kit
Old Tank Syndrome
Water quality slowly worsens over months or years despite regular small water changes.
Cloudy Water
Milky or hazy water that never fully clears.
Cyanobacteria (Blue-Green Slime)
Slimy blue-green or dark purple patches with a foul odor.
Common coral problems
Compatibility checker
Salt mixing calculator
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