The preset heater is set to 25 degrees, appropriate for most tropical fish, shrimp and aquatic plants. Whether you're a seasoned aquarist or a beginner, this preset heater takes the guesswork out of maintaining the perfect tropical climate in your aquarium.
eBay
Aquarium heater 25W/50W/100W/200W/300W Submersible Fish Tank Heater Constant Temperature Heating Rod Aquarium essential
Aliexpress UK
Interpet Deltatherm Aquarium Heater -EU Plug. Interpet Nano Aquarium Fish Tank Heater Delta Mini 15w Preset Flexible Flat. Ideal for both Tropical and Marine Aquariums with extra long 1.5m cable and built with heat and shock resistant glass.
eBay
Aquarium Heater Adjustable Submersible Fish Tank Heater 20W/25W Digital Display External Temperature Controller 18-34°C USB Mini
Aliexpress UK
Power: 200W / 300W / 500W. - Fish tank aquarium heating rod for fresh water, sea water can be! 1 x Digital Heater. - High temperature explosion-proof: dry soaking water is not broken! higher efficiency.
eBay
Aquarium Heater Adjustable Submersible Fish Tank Heater 20W/25W Digital Display External Temperature Controller 18-34°C USB Mini
Aliexpress UK
Power: 25W. Power: 200W. Power: 300W. Power: 50W. Power: 100W. Aquarium Heater/Thermostat ( 25W/50W/100W/200W/300W ). Adjustable via a simple knob on the top, with ON/OFF light indicator. High strength heat resistant glass.
eBay
1Pc 5/10W Mini Aquarium Heater USB Charging For Small Fish Tank Heater Energy Saving Over Temperature Protection Accessories
Aliexpress UK
25W - suitable for 4-30 litre aquariums or aquariums up to 46cm in length. 300W - suitable for 135-270 litre aquariums or aquariums up to 122cm in length. The heater should be placed diagonally in the aquarium rather than vertically or horizontally.
eBay
Fish Tank Heater Aquarium Heater LED Temperature Display Adjustable Water Heating Rod Automatic Constant Temperature 1200W
Aliexpress UK
Power: 25W. Power: 200W. Power: 300W. Power: 50W. Power: 100W. Aquarium Heater/Thermostat ( 25W/50W/100W/200W/300W ). Adjustable via a simple knob on the top, with ON/OFF light indicator. High strength heat resistant glass.
eBay
500W Fish Tank Heater Rod Red Parrot Non-explosive Glass Digital Display Aquarium Thermostat Automatic For Heating Water Tanks
Aliexpress UK
You are purchasing a high quality 300w Aquarium for use with aquarium up to 300 litres in size. Power: 300W. The temperature can easily be adjusted between 16 and 32 degrees. Suitable for aquariums: Up to 300 Litres.
eBay
10W Mini Aquarium Heater for Small Fish Tank Constant Temperature Heater with Digital Display Adjustable 5V/2A USB heating rod
Aliexpress UK
Hidom Stainless Steel Aquarium Heater. THEY ARE NOT SUITABLE FOR PONDS. Suitable for any fresh water aquarium (not suitable for marine/salt water tanks). Interpet Nano Aquarium Heater 25w LED Thermostat Tropical Fish Plants Tank 25L.
eBay
Fish Tank Chiller Aquarium Thermostat Refrigerator Fish Tank Cooler Heater System Aquar Temperature Controller for Home Shrimp
Aliexpress UK