Hydor Theo Heaters

Hydor Aquarium heaters have all the features for safe and precise temperature maintenance of the water in your tank. Submersible, no thermal shock, high impact resistance, vertical and horizontal positioning, plus precise maintenance of set temperature.

Heater Size:

50w = 20/50L
100w = 50/100L
150w = 100/150L
200w = 100/200L
300w = 200/300L