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Fluval broke onto the aquatic scene in 1975 by introducing\nthe world’s first 3-stage filter with synchronous motor technology – a\nbreakthrough that is still applied in the industry today. Since then, Fluval\nhas built a legacy around this pioneering spirit, relentlessly adapting in a\nchanging world to launch innovative aquarium products that remain at the\nforefront of technology, and which set the bar in quality, style and\nfunctionality. Fluval’s mission is not just about building products that mimic\nthe natural world, but inspiring aquarists of all skill levels to enjoy and\nrespect the hobby for generations to come.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003e300-Watt heater designed for freshwater aquariums up to 80 Gal (300 L) with advanced electronic construction provides superior accuracy, stability and long-term performance\u003c\/li\u003e\n \u003cli\u003e24\/7 monitoring regulates temperature and avoids large, unsafe fluctuations and 360 indicator light ring displays heat mode clearly from any angle (illuminates RED when heating function is engaged and BLUE when desired temperature is achieved)\u003c\/li\u003e\n \u003cli\u003eIn absence of water, the T-Heater automatically cuts power to prevent overheating and Heater Guard provides additional protection against breakage\u003c\/li\u003e\n \u003cli\u003eLarge grip dial easily adjusts water temperature from 72-90 F \/ 22-32 C\u003c\/li\u003e\n \u003cli\u003eFully submersible design allows for placement anywhere in aquarium either vertically or horizontally\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-05-16T02:41:59+10:00","created_at":"2026-05-16T02:41:54+10:00","vendor":"Fluval","type":"Aquarium Heaters","tags":["health_Apr2026","health_selected_Apr2026"],"price":24700,"price_min":24700,"price_max":24700,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":45018447904837,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B0B1S7TY3J","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Fluval T300 Fully Electronic Heater for Freshwater Aquariums up to 80 Gal.","public_title":null,"options":["Default Title"],"price":24700,"weight":450,"compare_at_price":null,"inventory_management":"shopify","barcode":"015561148849","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/beesactive.com\/cdn\/shop\/files\/71A3hgzL8PL.jpg?v=1778863317","\/\/beesactive.com\/cdn\/shop\/files\/81BZ_uKyPxL.jpg?v=1778863318","\/\/beesactive.com\/cdn\/shop\/files\/811iw7nHVGL.jpg?v=1778863317","\/\/beesactive.com\/cdn\/shop\/files\/810RPmfm2ML.jpg?v=1778863317","\/\/beesactive.com\/cdn\/shop\/files\/819eVUlK2GL.jpg?v=1778863317","\/\/beesactive.com\/cdn\/shop\/files\/81-FNu3itQL.jpg?v=1778863317"],"featured_image":"\/\/beesactive.com\/cdn\/shop\/files\/71A3hgzL8PL.jpg?v=1778863317","options":["Title"],"media":[{"alt":"Fluval T300 Fully Electronic Heater for Freshwater Aquariums up to 80 Gal. - 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Five model sizes are available to accommodate\ntoday’s most popular aquarium sizes. For more fish tank accessories, check out\nother Fluval products including aquarium filters, aquarium heaters, aquarium\nair pumps, aquarium lights, aquarium rocks, aquarium thermometers, and\naquarium stands. Fluval has a wide variety of products that are perfect for\nyour pet fish to enjoy in any large fish tank, small fish tank, saltwater tank\nor freshwater tank. Fluval broke onto the aquatic scene in 1975 by introducing\nthe world’s first 3-stage filter with synchronous motor technology – a\nbreakthrough that is still applied in the industry today. Since then, Fluval\nhas built a legacy around this pioneering spirit, relentlessly adapting in a\nchanging world to launch innovative aquarium products that remain at the\nforefront of technology, and which set the bar in quality, style and\nfunctionality. Fluval’s mission is not just about building products that mimic\nthe natural world, but inspiring aquarists of all skill levels to enjoy and\nrespect the hobby for generations to come.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003e300-Watt heater designed for freshwater aquariums up to 80 Gal (300 L) with advanced electronic construction provides superior accuracy, stability and long-term performance\u003c\/li\u003e\n \u003cli\u003e24\/7 monitoring regulates temperature and avoids large, unsafe fluctuations and 360 indicator light ring displays heat mode clearly from any angle (illuminates RED when heating function is engaged and BLUE when desired temperature is achieved)\u003c\/li\u003e\n \u003cli\u003eIn absence of water, the T-Heater automatically cuts power to prevent overheating and Heater Guard provides additional protection against breakage\u003c\/li\u003e\n \u003cli\u003eLarge grip dial easily adjusts water temperature from 72-90 F \/ 22-32 C\u003c\/li\u003e\n \u003cli\u003eFully submersible design allows for placement anywhere in aquarium either vertically or horizontally\u003c\/li\u003e\n \u003c\/ul\u003e"}
Fluval T300 Fully Electronic Heater for Freshwater Aquariums up to 80 Gal.
Fluval T300 Fully Electronic Heater for Freshwater Aquariums up to 80 Gal.
The Fluval T Series submersible heaters combine electronic accuracy, reliable monitoring and several safety features to maintain desired water temperatures with convenience in mind. Five model sizes are available to accommodate today’s most popular aquarium sizes. For more fish tank accessories, check out other Fluval products including aquarium filters, aquarium heaters, aquarium air pumps, aquarium lights, aquarium rocks, aquarium thermometers, and aquarium stands. Fluval has a wide variety of products that are perfect for your pet fish to enjoy in any large fish tank, small fish tank, saltwater tank or freshwater tank. Fluval broke onto the aquatic scene in 1975 by introducing the world’s first 3-stage filter with synchronous motor technology – a breakthrough that is still applied in the industry today. Since then, Fluval has built a legacy around this pioneering spirit, relentlessly adapting in a changing world to launch innovative aquarium products that remain at the forefront of technology, and which set the bar in quality, style and functionality. Fluval’s mission is not just about building products that mimic the natural world, but inspiring aquarists of all skill levels to enjoy and respect the hobby for generations to come.
Product Features
- 300-Watt heater designed for freshwater aquariums up to 80 Gal (300 L) with advanced electronic construction provides superior accuracy, stability and long-term performance
- 24/7 monitoring regulates temperature and avoids large, unsafe fluctuations and 360 indicator light ring displays heat mode clearly from any angle (illuminates RED when heating function is engaged and BLUE when desired temperature is achieved)
- In absence of water, the T-Heater automatically cuts power to prevent overheating and Heater Guard provides additional protection against breakage
- Large grip dial easily adjusts water temperature from 72-90 F / 22-32 C
- Fully submersible design allows for placement anywhere in aquarium either vertically or horizontally
Buy with confidence as this product comes with 18 months full local warranty in Australia & New Zealand (unless otherwise stated in the overview).
This product also comes with the benefits of the Warranty. For further details please read our Warranty Guidelines.
You can also purchase 3 Year Extended Care. If you are interested please see our Extended Care Information.
