Hydor
✓Aquarium Heaters
Hydor External Heater Aquariums ETH 300 W Sump and External Filters, Safe and Precise, Tube Diameter 16 mm
★★★★★3.9
$144.99
ViewPrice
$23.87
U-picks Aquarium Heater Submersible Fish Tank Heater 500w with External LED Digital Temperature Controller, with Explosion Proof Quartz Glass for 350-500L Aquarium
★★★★★
$23.87
Quantity
1
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About this item
- 【Dual LED Digitale Display】: With dual digital display windows, you can clearly see the water temp and set temp at the same time even in the dark. It is convenience to observe the temp change, higher security. With others' heater, you may need to take out the heater when adjust the temperature, which is easy to burn yourself. However, ours' external temp controller allows you adjust temp outside the fish tank, convenient and safe
- 【Thicker Exploson-Proof Quartz Glass 】: Using stable and reliable high-quality materials, 30% thicker than normal aquarium heaters, which is blast-proof. Protective Cover made of high temperature resistant material will not soften with high temperature, it can prevent your loved fish from scalding.The whole body of heater must be fully submerged under water during working, and not buried in sand or mud.
- 【Unique Safety Protection Design】 : U-picks thermostatic aquarium heater adopts dual sensors for better protection, when the water temp is higher than the set temp, heater automatically stop heating. When the water temp is lower than the set temp, heater automatically start heating. Stepwise heating, the temperature gradually rises, which can prevent the temperature from changing too quickly to cause the fish to be uncomfortable, also allows the heater keep longer service life
- 【Designed in Detail for You】: The detachable fixing accessories can help the temp controller to be installed outside the fish tank, which is convenient to use and does not take up your space. Bigger and strong suction cups can hold the heater firmly on the tank wall. The extended power cord can solve the problem that the fish tank is too far away from the socket
- 【Heating Faster&Power Saving】: Unlike others, we u-picks aquarium heater use Quartz as heat transfer medium, which can conduct heat in less time, more power saving. Temperature adjustment range is 20-34 ℃, greatly meeting the temperature needs of different ornamental fish. 500W heater is suitable for 100-800L aquariums. NOTE: Please make sure that the heater is completely submerged in the water before turning on the power, and install it near the water flowing area to prevent uneven heatin
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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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