Hydor
✓Aquarium Heaters
Hydor External Heater Aquariums ETH 300 W Sump and External Filters, Safe and Precise, Tube Diameter 16 mm
★★★★★3.9
$147.99
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$81.99
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hygger Small Fish Tank Heater Aquarium Heater 50W, Submersible Glass Heater, Adjustable Temperature Controller 15-34℃, Mini Aquarium Heating Rod for Fish Turtle Tank Heater for Fish, Shrimp, terrapin
★★★★★
$81.99
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4 availableSize: 50W (30-60L Tank )
Quantity
1
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About this item
- 【Mini Aquarium Heater】: This submersible aquarium heater is incredibly compact. Takes up less space, easy to hide, but in full power! Ideal for nano tanks / betta tanks /low water level turtle tanks with a temperature range of 15℃~34℃ for 1-26 gallon (5L-80L) tanks (Note: Please choose the suitable wattage of heater according to you tank size)
- 【Easy to Use】： Our small glass heater for fish tank built-in temperature sensors, the water temperature will be displayed in real time temperature on an external temperature controller with an accuracy of up to 1℃. When the water temperature is lower than setted temperature, the heater starts to heat, and the red light is on. When the temperature reaches the setted temperature, the heater stops heating and the blue light is on. The submersible fish tank heater will always maintain a comfortable temperature for your beloved fish!
- 【Multi-Protection & Memory Function】： The aquarium heating rod will automatically shut off if the water level is too low ( DRY-RUN Protection: E1 ) or if the water temperature exceeds 34℃/93℉ ( OVERHEAT Protection: HH ). Additionally, the submersible glass heater features a MEMORY FUNCTION that retains the last setting in case of a power outage. Say goodbye to the risk of "cooking" your fish!
- 【Safe & Thickened Quartz Explosion-Proof Glass】： Stable nickel-chromium heating wire, highly heat-conductive sand, housed by a shatter-proof quartz glass tube ensures excellent quality of this heater. Silicone protectors at both ends to avoid potential impacting with the fish tank glass. This material makes the mini aquarium heating rod safer and more durable to be used in both freshwater and saltwater
- 【Widely Used & External Temperature Controller】: This submersible glass heater is very suitable for betta tank, most tropical fish tank, coral reef aquariums, plant aquariums, low water level turtle tank, freshwater or seawater tank, etc. No more wet hands when adjusting the temperature. 4.3ft/1.3m long power cable, easy to control the temperature by the external temperature regulator. (Note : Controller is not waterproof )
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Customer reviews
What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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