Aqueon Mini Heater 10w Best Small Aquarium Heater Perfect for first-time fish owners Thermal safety shut-off Compact size Almost indestructible 9.9 Price: $$$$$ Read Review Amazon Pets Warehouse Fluval Submersible Glass Heater Fluval Submersible Glass Heater Best for Marine Fish Very reliable Almost invisible in the tank This value applies to most households. (over and over again). 2001-2023 CountryMax.com|Web design and development byMustBeOnline. Ive found it interesting that according to statista.com, in Germany you pay the highest rate of $0.33 per kWh while in Argentina, it would only cost you $0.01 per kWh. Either upping to a 50w or adding another 25W heater has the exact same effect. .agsLogoPadding{margin-top:6px;float:left}.agsLogoImage{background-image:url(data:image/jpeg;base64,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);width:81px;height:19px;display:inline-block}.kycText{padding-left:8px;display:inline-block;position:relative;top:-1px}.kycDivider{border-left:1px solid #ddd;margin-left:8px;padding-left:10px;height:30px;position:relative;top:-8px;display:inline-block}.kycImg{background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAWCAYAAAChWZ5EAAAA+UlEQVRIx+VWwQmDQBC0v/ShIvhVH+LfAuxBEA58+BItQFDQHkRMAffMxrkQCOGCkSRrQoRhdR2cwb3dO6Ou68OCY1mWxAloQtvAzTiOJKVkBTShbcANt/gV0P46A0JertPP/oE0TcnzPHIch3zfpyzLthmI45hM01yF7oNt22q5XdfxGCiKQstFnqUEeZ5rDSDPYmDpa62Bqqp4SjDPs1p8tzzbtmmaJh4DwDAMFIah4iD2fc8/iIQQygAi2xxomoaSJKEgCMh1XbIsS0U8I4/3L5cgiqJN7bfWjm8zgIn3jAHwPlKC+5X/COB9/W74hwZ2P5LtfSg9A6SShCftWERGAAAAAElFTkSuQmCC);width:32px;height:22px;display:inline-block;position:relative;top:4px} I bought the Hydor Theo 25w for my Fluval Spec III (2.6 gallons). Three of my four tanks currently rock Cobalt Neotherms, the fourth a Eheim jager but this is more because I was impatient and my local fish store was sold out of Neotherms at the time. However, Im not really satisfied with them for two reasons. 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