The Best 1 Gallon Fish Tank Heater of 2021

101,431 reviews analysed

Rank		Product Name	Score
		Aqueon Flat Submersible Heater, 7.5W, up to 3 Gallon By Aqueon	9.2 SCORE	View Product
2^nd		Bnzaq Fish Tank Aquarium Heater - Adjustable Temperature Submersible Thermostat Heater,25W/50W/100W/ By Bnzaq	9.1 SCORE	View Product
3^rd		23% OFF Aqueon Mini Heater for Aquariums, 5W, Under 2.5 Gallon By Aqueon	9 SCORE	View Product
4^th		15% OFF Marina Betta Submersible Heater for Aquarium By Marina	8.9 SCORE	View Product
5^th		FREESEA 50 Watt Small Aquarium Betta Submersible Heater with LED Temperature Display By FREESEA	8.8 SCORE	View Product
6^th		9% OFF DaToo 10 Watt Small Aquarium Heater Mini Betta Flat Fish Tank Heater for 1 Gallon 1.5 Gallon By DaToo	8.7 SCORE	View Product
7^th		SZELAM 25W Smart Mini Aquarium Heater, Betta Fish Tank Heater Thermostat Warmer Submersible Anti-Exp By SZELAM	8.6 SCORE	View Product
8^th		68% OFF Betta Fish Tank Heater, Mini Submersible 25W Aquarium Heaters Energy-efficient Water Temp Controller By ZEETOON	8.5 SCORE	View Product
9^th		15% OFF Hygger Mini Glass Aquarium Heater Adjustable LED Digital Temperature Display Small Tank Heater for T By Hygger	8.4 SCORE	View Product
10^th		7% OFF Mylivell Aquarium Heater Submersible Auto Thermostat Heater,Fish Tank Water Heater and Adjustable Te By Mylivell	8.3 SCORE	View Product

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