AQUASMITH 50W Aquarium Heater Precise Control Fast Heat Auto Off Anti Dry Burn 0-4Gal Tank | External LED precise temp control, fully submersible installation, explosion-proof tube for fresh & salt water

Price: $19.99 - $18.99
(as of Jul 17, 2026 04:29:42 UTC – Details)
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Air Pump Expert

AQUASMITH originated from rigorous standards in elite ornamental fish breeding.

We integrate precision water control into home aquariums.

Every product passes 12-month real-world testing, meeting industrial safety standards. True reliability isn’t lab statistics – it’s equipment that performs flawlessly at critical moments.

Just as we never compromised in champion fish care, your aquatic life deserves this professional guardianship.

Aquarium Expert

Package Dimensions ‏ : ‎ 7.44 x 3.94 x 2.2 inches; 9.59 ounces
Date First Available ‏ : ‎ August 6, 2024
Manufacturer ‏ : ‎ AQUASMITH
ASIN ‏ : ‎ B0DCBCKWBR
Best Sellers Rank: #67,077 in Pet Supplies (See Top 100 in Pet Supplies) #122 in Aquarium Heaters
Customer Reviews: 4.6 4.6 out of 5 stars (53) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
AQUASMITH Aquarium Heater: 50 watt aquarium heater, suitable for 0-3.96 gallon for turtle tank and fish tank,Small size, Heating rod size 5.35-0.68 in, easy to hide, Cable length 70 in,Safe heating and precise temperature control.
LED external controller: Real-time display of the temperature in the fish tank, allowing you to check and adjust the temperature in the fish tank at any time (temperature accuracy ±0.5℉), and the temperature range can be set from 59℉ to 93℉.
Heating protection: Ensure that the heater rod will not cause harm to your fish or aquatic life due to overheating. When the set temperature limit is exceeded or the water level in the fish tank drops and cannot submerge the heater rod, the protection will be triggered and shut down in time. At the same time, the controller will display an error code (please see the instruction manual for details).
Material: The heating rod uses nickel-chromium wire for heating, and the quartz tube is filled with emery as a conductor. Its advantages are good thermal conductivity, fast heating, explosion-proof, corrosion-resistant, and can be used in both fresh and sea water.
After-sales service: This fish tank heater is not only of stable quality, safe and reliable, but also has very considerate after-sales service. We promise that if there are any quality problems within one year of use, we will provide you with free returns and exchanges. Our professional after-sales team is on standby at any time.