{"product_id":"eheim-jager-aquarium-thermostat-heater-100w-fully-submersible-trutemp-dial","title":"EHEIM Jager Aquarium Thermostat Heater 100W – Fully Submersible, TruTemp Dial","description":"\u003ch2\u003ePrecise aquarium heating with the EHEIM Jager 100W\u003c\/h2\u003e\n\u003cp\u003eThe EHEIM Jager 100W thermostat heater is designed to blend into any freshwater or marine setup with its fully submersible body. A newly designed TruTemp dial lets you recalibrate the temperature within a tight margin, giving you more control over your tank’s warmth without guesswork.\u003c\/p\u003e\n\u003cp\u003eWith a single heater in this pack, you can create a reliable baseline for your aquatic environment, and the compact design helps it tuck neatly alongside filtration and décor. The emphasis here is on steady, dependable warmth that responds to daily changes in room temperature and tank load, all while remaining unobtrusive to the visual harmony of your aquascape.\u003c\/p\u003e\n\n\u003ch3\u003eKey design features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFully submersible construction for flexible placement in any aquarium configuration\u003c\/li\u003e\n  \u003cli\u003eThermo safety control guards against running dry and helps protect tank life\u003c\/li\u003e\n  \u003cli\u003eAutomatically turns off if water level drops too low, preventing overheating risks\u003c\/li\u003e\n  \u003cli\u003eTruTemp dial enables recalibration for precise temperature regulation\u003c\/li\u003e\n  \u003cli\u003eMade from shock‑resistant, shatter‑proof glass suitable for fresh or marine water\u003c\/li\u003e\n  \u003cli\u003eOn\/Off indicator light for quick status checks at a glance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eReal-world benefits and use cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMaintains stable temps in tropical freshwater setups, supporting vibrant, active fish and plants\u003c\/li\u003e\n  \u003cli\u003eVersatile enough for reef and marine tanks where consistent warmth matters for coral and invertebrates\u003c\/li\u003e\n  \u003cli\u003eEasy to install in tight spots or along tank walls without obstructing view\u003c\/li\u003e\n  \u003cli\u003eCompact 100W design paired with a single-pack setup for straightforward heating solutions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWhether you’re adjusting to seasonal changes or balancing a mixed community tank, the Jager heater offers a practical balance of reliability and ease of use. It’s not a guarantee of specific outcomes, but it provides a solid foundation for maintaining a comfortable aquatic environment. The combination of a strong safety profile, precise calibration, and durable construction makes it a sensible choice for both beginners and seasoned hobbyists alike.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the EHEIM Jager 100W heater suitable for both freshwater and saltwater aquariums?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Its shock‑resistant glass and fully submersible design suit both freshwater and marine setups.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How does the TruTemp dial work and how precise is the calibration?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The TruTemp dial allows recalibration within +\/- 0.5°F for closer temperature control without guesswork.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Eheim","offers":[{"title":"Default Title","offer_id":53550797259081,"sku":"B003SNU1I2","price":44.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/1781\/9465\/files\/eheim-jager-thermostat-heater-100w.jpg?v=1766232476","url":"https:\/\/petvita.co.uk\/products\/eheim-jager-aquarium-thermostat-heater-100w-fully-submersible-trutemp-dial","provider":"Petvita","version":"1.0","type":"link"}