This is a 180 gallon salt water fish tank. There are a yellow headed eel, sea urchin, brittle star, hermit crab, turbo snails, bristle worms, and two damsel fish in the tank.
*An empty cell means that data was not collected.
Ammonia: toxic; measured in parts per million (ppm)
Nitrite: toxic (ppm)
Nitrate: toxic (ppm)
pH: the acidity (<7) or alkalinity (>7)
Dissolved Oxygen: oxygen in the water (ppm)