{"niche":"哪些品牌以生产高质量鱼缸加热器而闻名？","description":"Which brands are known for producing high-quality aquarium heaters?","products":[{"brand":"Eheim","model":"JAGER TruTemp 200W (model 3617)","price_gbp":29.09,"origin_country":null,"specs":{"wattage":"200","dimensions":"15.7 in x null x null","temperature_range":null,"submersible_or_hang_on":"Fully submersible","heating_element_material":"laboratory glass jacket","adjustable_temperature_control":"Yes (onboard calibration to ±2°C)"},"confidence_score":null,"summary":"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.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"SaltwaterAquarium.com","url":"https://www.saltwateraquarium.com/ebo-jager-heater-200-watt-eheim/","currency":"USD","source_country":"US","price":38.95,"price_gbp":29.09,"scraped_at":"2026-06-07T22:28:20.856622"},{"label":"Premium Aquatics","url":"https://premiumaquatics.com/products/eheim-jager-trutemp-submersible-aquarium-heater-200w","currency":"USD","source_country":"US","price":38.95,"price_gbp":29.09,"scraped_at":"2026-06-07T22:28:13.487865"},{"label":"Bulk Reef Supply","url":"https://www.bulkreefsupply.com/eheim-jager-trutemp-aquarium-heater.html","currency":"USD","source_country":"US","price":38.95,"price_gbp":29.09,"scraped_at":"2026-06-07T22:28:17.068216"}]},{"brand":"Eheim","model":"JAGER TruTemp 300W (model 3619)","price_gbp":29.09,"origin_country":null,"specs":{"wattage":"300 W","dimensions":"20 in x null x null","temperature_range":"18-34","submersible_or_hang_on":"Fully submersible","heating_element_material":"Laboratory glass jacket (glass)","adjustable_temperature_control":"Yes (TruTemp recalibration)"},"confidence_score":null,"summary":"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.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"Premium Aquatics","url":"https://premiumaquatics.com/products/eheim-jager-trutemp-submersible-aquarium-heater-300w","currency":"USD","source_country":"US","price":38.95,"price_gbp":29.09,"scraped_at":"2026-06-07T22:28:34.984331"},{"label":"Bulk Reef Supply","url":"https://www.bulkreefsupply.com/eheim-jager-trutemp-aquarium-heater.html","currency":"USD","source_country":"US","price":38.95,"price_gbp":29.09,"scraped_at":"2026-06-07T22:28:38.568574"},{"label":"SaltwaterAquarium.com","url":"https://www.saltwateraquarium.com/ebo-jager-heater-300-watt-eheim/","currency":"USD","source_country":"US","price":38.95,"price_gbp":29.09,"scraped_at":"2026-06-07T22:28:42.258167"}]},{"brand":"JBL","model":"ProTemp S 300","price_gbp":20.6,"origin_country":null,"specs":{"wattage":"300","dimensions":"375 mm x 29 mm x 29 mm","temperature_range":"20-34","submersible_or_hang_on":"Fully submersible","heating_element_material":"ceramic","adjustable_temperature_control":true},"confidence_score":null,"summary":"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.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"Aquasabi","url":"https://www.aquasabi.com/JBL-ProTemp-S-300-Watt","currency":"USD","source_country":"US","price":27.9,"price_gbp":20.83,"scraped_at":"2026-06-07T22:29:39.804022"},{"label":"Whitecorals","url":"https://www.whitecorals.com/en/fr/-JBL-ProTemp-S-300-Heater-(6042600)-JB6042600","currency":"USD","source_country":"US","price":27.58,"price_gbp":20.6,"scraped_at":"2026-06-07T22:29:43.397908"},{"label":"GoSupps","url":"https://www.gosupps.com/jbl-protemp-s300-control-heater-for-freshwater-and-saltwater-aquariums-for-160-400-l-for-160-400-l.html","currency":"USD","source_country":"US","price":64.99,"price_gbp":48.53,"scraped_at":"2026-06-07T22:29:46.974233"}]},{"brand":"Finnex","model":"STE-400 Titanium Heater with Controller","price_gbp":60.29,"origin_country":null,"specs":{"wattage":"400","dimensions":null,"temperature_range":null,"submersible_or_hang_on":"Submersible","heating_element_material":"Titanium","adjustable_temperature_control":true},"confidence_score":null,"summary":"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.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"Aquarium Specialty","url":"https://www.aquariumspecialty.com/finnex-ste-series-titanium-heater.html","currency":"USD","source_country":"US","price":80.74,"price_gbp":60.29,"scraped_at":"2026-06-07T22:27:51.922569"},{"label":"AquaCave","url":"https://aquacave.com/finnex-heaters-50w-800w/","currency":"USD","source_country":"US","price":106.99,"price_gbp":79.89,"scraped_at":"2026-06-07T22:27:55.563342"},{"label":"AquaCave (product listing variant)","url":"https://aquacave.com/finnex-heaters-50w-800w/","currency":"USD","source_country":"US","price":106.99,"price_gbp":79.89,"scraped_at":"2026-06-07T22:27:59.252167"}]},{"brand":"Aqua Medic","model":"Titanium Heater 300W","price_gbp":31.67,"origin_country":null,"specs":{"wattage":"300 W","dimensions":"300 mm x 20 mm x null","temperature_range":"-10 °C - +45 °C","submersible_or_hang_on":"Submersible","heating_element_material":"Titanium","adjustable_temperature_control":"No (requires external temperature controller)"},"confidence_score":null,"summary":"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.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"Aquaristikshop","url":"https://www.aquaristikshop.com/aquaristic/Aqua-Medic-Titanium-Heater/368160/","currency":"USD","source_country":"US","price":54.49,"price_gbp":40.69,"scraped_at":"2026-06-07T22:28:56.387704"},{"label":"Charterhouse Aquatics","url":"https://charterhouse-aquatics.com/products/aqua-medic-titanium-aquarium-heater","currency":"USD","source_country":"US","price":42.41,"price_gbp":31.67,"scraped_at":"2026-06-07T22:29:00.073333"},{"label":"Seaflower","url":"https://www.seaflowerstore.com/am-200watt-titanium-heater/","currency":"USD","source_country":"US","price":43.5,"price_gbp":32.48,"scraped_at":"2026-06-07T22:29:03.761034"}]},{"brand":"Helio (Innovative Marine)","model":"Helio Titanium Inline Heater","price_gbp":143.38,"origin_country":null,"specs":{"wattage":"200","dimensions":null,"submersible_or_hang_on":"Inline (external)","heating_element_material":"Titanium","adjustable_temperature_control":"Controller (included)"},"confidence_score":null,"summary":"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.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"Innovative Marine Store","url":"https://www.innovative-marine.com/shop/Heaters-c64553009","currency":"USD","source_country":"US","price":192.0,"price_gbp":143.38,"scraped_at":"2026-06-07T22:29:18.099265"},{"label":"SaltwaterAquarium.com","url":"https://www.saltwateraquarium.com/helio-200-watt-ptc-smart-heater-25-50-gallon-innovative-marine/","currency":"USD","source_country":"US","price":192.0,"price_gbp":143.38,"scraped_at":"2026-06-07T22:29:21.788312"},{"label":"World Wide Corals","url":"https://worldwidecorals.com/products/helio-200-watt-ptc-smart-aquarium-heater-2-x-100w-25-50-gallons","currency":"USD","source_country":"US","price":299.0,"price_gbp":223.28,"scraped_at":"2026-06-07T22:29:25.470707"}]}]}