{"product_id":"fluval-p50-submersible-aquarium-heater-50w-preset-76-78-f-for-freshwater-saltwater-tanks-up-to-15-gal","title":"Fluval P50 Submersible Aquarium Heater – 50W, Preset 76–78°F, for Freshwater \u0026 Saltwater Tanks Up to 15 Gal","description":"\u003ch2\u003eEffortless, reliable heat for small tanks\u003c\/h2\u003e\n\u003cp\u003eThe Fluval P50 Submersible Aquarium Heater is a compact 50W heater designed to keep the water in your smaller freshwater or saltwater setup consistently warm. With a preset target of 76–78°F (24–26°C), you get hands-free operation that helps create a stable environment for your aquatic life. This heater is ideal for tanks up to 15 gallons (57 L), making it a practical choice for betta setups, shrimp habitats, planted aquariums, and compact reef displays.\u003c\/p\u003e\n\n\u003ch3\u003ePreset temperature for hassle-free heating\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePreset temperature of 76–78°F (24–26°C) requires no manual adjustment.\u003c\/li\u003e\n  \u003cli\u003eDesigned for freshwater and saltwater tanks up to 15 gallons.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDurable, safe construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eShatterproof polymer housing helps protect the tank and its inhabitants.\u003c\/li\u003e\n  \u003cli\u003eCompact, unobtrusive design blends with most décor while delivering steady warmth.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFlexible submersible design\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFully submersible and waterproof, enabling flexible placement in your aquarium.\u003c\/li\u003e\n  \u003cli\u003eSuitable for a range of small setups, from betta tanks to planted aquariums and basic reef displays.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEasy monitoring with LED indicator\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilt-in LED light shows when the heater is actively warming the water.\u003c\/li\u003e\n  \u003cli\u003eLED status helps you confirm heating without opening the tank or guessing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eReal-life usage\u003c\/h3\u003e\n\u003cp\u003eIn everyday use, the P50 provides consistent warmth without constant adjustments, reducing fluctuations that can stress aquatic life. Its small footprint makes it suitable for discreet placement behind decor or along the back of the tank, while the combination of a preset temperature and visual indicator helps you maintain a calm, stable environment across your small to mid-sized aquatic habitats.\u003c\/p\u003e\n\n\u003cp\u003eNote: This heater supports a range of small tanks and is designed to complement your care routine. Benefits described are possibilities based on the product features and typical use cases, not guarantees.\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: What tank size is the Fluval P50 suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Suitable for freshwater and saltwater tanks up to 15 gallons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the heater ready to use out of the box, or does it need adjustments?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It ships preset at 76–78°F (24–26°C) with an LED indicator for active heating.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Fluval","offers":[{"title":"Default Title","offer_id":57207155982713,"sku":"B08P7VCG11","price":44.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/8934\/1049\/files\/fluval-p50-full-heater-in-tank.jpg?v=1777848086","url":"https:\/\/petlyvox.com\/products\/fluval-p50-submersible-aquarium-heater-50w-preset-76-78-f-for-freshwater-saltwater-tanks-up-to-15-gal","provider":"petlyvox","version":"1.0","type":"link"}