A temperature measuring, algae cleaning and feeding system which includes a thermometer mounted on one side of a first support, At least one first magnet is mounted on an opposite side of the first support. The opposite side of the first support is adapted to engage the outer surface of a first wall of the aquarium. At least one second magnet is mounted on one side of the second support. A scrub pad for removing algae is mounted on the one side of the second support, the opposite side of the second support being adapted to engage the inner surface of the first wall of the aquarium opposite the first support such that the first and second magnetic means attract each other to thereby attach the first and second supports to the first wall of the aquarium. A fish feeding dispenser is mounted on the opposite side of the second support.
