Zoanthids

Air Pump

Internal Filter

Refractometer

Master Test Kit

Old Tank Syndrome

Water quality slowly worsens over months or years despite regular small water changes.

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.