Hydor ETH Heater 300w 16mm - For External Canister Filters and Sumps** Reptile Water Treatments Crude Fiber (max) - 8%

Crude Fiber (max) - 8%

Dose rate is 10 ml per 100 litres

Perfect for both Aquariums and Terrariums or any other display

Each litre of Bact Rox provides over 696 square meters of surface area internally for bacterial colonisation

Hydor ETH Heater 300w 16mm - For External Canister Filters and Sumps** Reptile Water Treatments Crude Fiber (max) - 8%Description: **This item is classed as a large, bulky or a heavy item additional delivery costs apply. Total delivery will be calculated at checkout. First and unique external heater for aquariums with the exclusive PTC (Positive Thermal Coefficient) technology. The self limiting PTC heating element guarantees maximum safety against any risk of overheating. The exclusive technology and the high quality of the components guarantee a long lasting