Marineland Precision Heater Double Red agasizi There is a large black

There is a large black blotch on the top of the head that sometimes covers the eyes as well

FritzZyme® MONSTER 360 has been specially formualted to handle the organic waste produced by MONSTER fish including Oscars

It is easy to use

Do not redose without testing water

of aquarium water

Marineland Precision Heater Double Red agasizi There is a large blackGet precise control of your aquarium temperature with the Precision Submersible Heater. This Heater combines an adjustable temperature dial, a high visibility temperature display and an advanced heating element to keep your aquarium water at the optimal temperature for your freshwater or saltwater fish. The Precision heater also includes a thermal switch which will turn off once it rises above an internal pre set temperature, and turns back on once it