Usage: Place the heater bar vertically or horizontally in the aquarium to make the indicator light as clear as possible. Then plug in the power cord and the indicator lights up to indicate that it is working.
eBay
40x200cm Fish Tank Background Static Cling Black Fish Tank Backdrop Aquarium Poster Aquarium Backdrop Aquarium Wallpaper Decor
Aliexpress UK
Fish tank aquarium heating rod for fresh water, sea water can be! 1 x Digital Heater. Quantity: 1pc. Length: 16.5 / 21.5 / 27.5 / 32.5cm.
eBay
Pinsjar Acrylic Fish Bowl Wall Hanging Aquarium Tank Aquatic Pet Supplies Pet Products Wall Mount Fish Tank for Betta fish
Aliexpress UK
Superfish Aquarium PRO HeaterSizes available 50w, 100w, 200w, 300w. PRO 100w Heater. Interpet Flat Aquarium Heater For Small Nano Fish Tank Thin Plastic Use Anywhere. Thermal shock resistant glass. PRO 200w Heater.
eBay
Floating Fish Breeding Isolation Box Aquarium Breeder Feeder Fish Tank Hatchery Incubator Fish Tank Transparent Incubator Box
Aliexpress UK
Hidom 300W Aquarium Heater. Keep your aquarium at the perfect temperature with thisHidom HT-2300 300W Aquarium Heater. 300W Power – Ideal for 150–300L aquariums. Power: 300W. Easy Installation – Includes suction cup mounts.
eBay
25W 50W Mini Aquarium Heater Constant Temperature Warmer Fish Tank Turtle Submersible Auto Thermometer Quartz Tube
Aliexpress UK
25W: 20.5cm / 8in. 25W: 26.5 7 4cm / 10.4 2.76 1.57in (L W H). -Can automatically adjust the temperature, good for fish in the aquarium. -Power indicator ensures safe operation. -It can ensure the output of heat and keep the water temperature inside the tank steady.
eBay
Sunsun LCD Digital Display Constant Heater Submersible Adjustable Heating For Aquarium Fish Tank Temperature Control GR 100-500W
Aliexpress UK
Freshwater yes. Including double suction cup holder. A glass jacket increases the heating surface and ensures optimum even heat emission. 9 sizes for aquariums from 20 up to 1000 litres. Sea water yes.
eBay
Aquariums Submersible Heater Display Digital Fish Tank Heating Rod With thermometer Constant Temperature Control 220-240V
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 Fish Tank Heater Delta Mini 15w Preset Flexible Flat.
eBay
Acrylic Fish Bowl Wall Hanging Aquarium Tank Aquatic Pet Supplies Pet Products Wall Mount Fish Tank for Betta&Display fish
Aliexpress UK
Power: 50W / 100W / 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
Mini Fish Bowls Thai Betta Tank Small Ornamental Fish Live Pet Stackable Aquariums Cylinder 6 Holes High Transparency Fish Tank
Aliexpress UK