Which brands are known for producing high-quality aquarium heaters?
| Product ⇅ | Price ⇅ | Wattage (W) ⇅ | Temperature Range (°C) ⇅ | Heating Element Material ⇅ | Dimensions (cm) ⇅ | Submersible or Hang-On ⇅ | Adjustable Temperature Control ⇅ |
|---|---|---|---|---|---|---|---|
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Eheim JAGER TruTemp 200W (model 3617)
US
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£29.09 ≈ | 200 | — | laboratory glass jacket | 15.7 in x null x null | ✓ | ✓ |
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Fully submersible 200W TruTemp heater with a shatter-proof laboratory glass jacket, onboard adjustable thermostat and dry-run protection. Suited for freshwater and saltwater aquaria roughly 79-106 gallons and users who want a calibratable, accurate glass-sleeved heater.
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Eheim JAGER TruTemp 300W (model 3619)
US
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£29.09 ≈ | 300 W | 18-34 | Laboratory glass jacket (glass) | 20 in x null x null | ✓ | ✓ |
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The Eheim JAGER TruTemp 300W is a fully submersible aquarium heater with a shatter‑resistant laboratory glass jacket, TruTemp recalibration for precise control, and dry‑run safety shutoff. It suits large freshwater or saltwater aquariums (approx. 159-264 gallons) needing reliable, stable temperature control.
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JBL ProTemp S 300
US
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£20.60 ≈ | 300 | 20-34 | ceramic | 375 mm x 29 mm x 29 mm | ✓ | ✓ |
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The JBL ProTemp S 300 is a 300 W submersible aquarium heater with a protective basket, dry-run protection, and direct °C temperature selection. It uses a ceramic star-shaped heating element and suits freshwater and marine tanks around 160-400 L where reliable, protected heating is required.
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Finnex STE-400 Titanium Heater with Controller
US
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£60.29 ≈ | 400 | — | Titanium | — | ✓ | ✓ |
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The STE-400 is a 400 W titanium-tube aquarium heater with an external waterproof digital controller that provides precise, durable temperature control for freshwater and saltwater tanks. It suits hobbyists and reef keepers who need a corrosion-resistant, long-lasting heater for medium-to-large aquaria.
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Aqua Medic Titanium Heater 300W
US
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£31.67 ≈ | 300 W | -10 °C - +45 °C | Titanium | 300 mm x 20 mm x null | ✓ | ✓ |
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Slim, unbreakable titanium heating element for fresh and saltwater aquaria with overheat and dry-run protection; intended for use with an external temperature controller. Suits large aquaria up to 500-1,000 litres and users who need durable, corrosion-resistant heating.
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Helio (Innovative Marine) Helio Titanium Inline Heater
US
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£143.38 ≈ | 200 | — | Titanium | — | ✓ | ✓ |
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Helio uses PTC solid-state ceramic technology with titanium heating elements and a dedicated controller and remote probe for stable, safe aquarium heating. It suits reef and freshwater hobbyists who want redundant safety features and precise temperature control via an external controller.
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