Using dual temperature controllers, individually control two temperature controllers.
Made with Nanoscale heat conduction glass, slowly heating the water for safety concern.
When above 36°C it will automatically cut off the power for final safety protection.
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150w/300w/500w in-Line External Heater Aquarium Heater – 150/300/500 WATT 1/2″-5/8″ (500 Watt 1/2″(12/16mm) Hose)
$75.95
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