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Aquarium Oddities:
1a. Water is discolored or milky white.

Got milk?  If your tank has ever suffered from a bacterial bloom you'd think some evil person has poured milk into the tank.

Bacterial blooms are an imbalance of different types of bacterium competing for space and food.  Blooms are very common in new fresh water aquariums or after a long over due water change in older unmanaged tanks.  The water can literally turn milky white to the point that you can't see the fish.

Most blooms won't hurt the inhabitants and will clear up on their own.  Stop feeding the fish all together and perform a five percent water changes every 3 days directly from the water column.  Don't disturb the gravel or decor and within 2 weeks it should disappear.