BOYU submersible heaters are fully thermostatically controlled and are ideal for the heating of nutrient tanks.
Availability: HT-8100 (100 watt), HT-8200 (200 watt) and HT-8300 (300 watt).
They have a 1 metre cable.
Reservoir/Aquarium Submersible Heater (3 Types)
£11.95 – £17.95