{"product_id":"fluval-p25-submersible-heater-25w-shatterproof-fully-submersible-preset-76-78-f-for-nano-tanks-up-to-6-gal","title":"Fluval P25 Submersible Heater – 25W, Shatterproof \u0026 Fully Submersible, Preset 76-78°F for Nano Tanks up to 6 Gal","description":"\u003ch2\u003eEffortless warmth for your nano aquarium\u003c\/h2\u003e\n\u003cp\u003eKeep your small aquarium at a comfortable temperature with the Fluval P25 Submersible Heater. This compact 25W heater arrives pre-set to 76-78°F (24-26°C), offering a straightforward setup for tropical fish in nano tanks. The shatterproof polymer exterior adds durability and peace of mind, making it suitable for both freshwater and saltwater environments up to 6 gallons (25 liters). Its fully submersible design allows flexible placement, while the LED indicator clearly shows when heating is active. \u003c\/p\u003e\n\u003cp\u003eDesigned for everyday reliability, the P25 is ready to go right out of the box. Its compact form fits discreetly in tight spaces, and the water-ready construction means you can position it along a back wall or tucked into a corner without compromising space or aesthetics. The built-in LED light provides a subtle, at-a-glance cue that the heater is heating, helping you monitor temperature without constant adjustments.\u003c\/p\u003e\n\n\u003ch3\u003eKey benefits at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePreset Temperature for Easy Use: The P25 maintains a stable 76-78°F (24-26°C) with no adjustments required.\u003c\/li\u003e\n  \u003cli\u003eShatterproof \u0026amp; Durable Build: Polymer exterior resists damage, helping keep the tank safe from breakage or overheating.\u003c\/li\u003e\n  \u003cli\u003eFully Submersible \u0026amp; Waterproof: Designed to be placed inside the tank for flexible positioning in nano setups up to 6 gallons.\u003c\/li\u003e\n  \u003cli\u003eLED Indicator for Active Heating: A built-in light shows when the heater is warming the water.\u003c\/li\u003e\n  \u003cli\u003eReliable Heating for Small Tanks: Suitable for betta tanks, nano reefs, shrimp habitats, and planted aquariums in freshwater or saltwater.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eReal-world uses and setup ideas\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePlace it along the back wall of a compact betta or shrimp tank to maintain steady warmth without taking up space.\u003c\/li\u003e\n  \u003cli\u003ePerfect for nano reefs or planted tanks where space is limited and a subtle heater helps maintain a calm environment.\u003c\/li\u003e\n  \u003cli\u003eIdeal for beginners seeking a plug-and-go solution with a visible LED indicator to confirm operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWith its compact footprint and pre-set temperature, the Fluval P25 offers a practical heating option for small aquatic environments. It supports consistent warmth across your tank while staying discreet and safe, helping you focus on enjoyment and observation rather than constant adjustments.\u003c\/p\u003e\n\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 tanks is the Fluval P25 Heater suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Suitable for freshwater and saltwater nano tanks up to 6 gallons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the P25 require adjustments or is it pre-set?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The heater ships pre-set to 76-78°F; no manual adjustments needed, with an LED indicator showing activity.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Fluval","offers":[{"title":"Default Title","offer_id":57201805132153,"sku":"B084618P6D","price":33.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/8934\/1049\/files\/fluval-p25-submersible-heater-preset-76-78-led-indicator.jpg?v=1777807886","url":"https:\/\/petlyvox.com\/products\/fluval-p25-submersible-heater-25w-shatterproof-fully-submersible-preset-76-78-f-for-nano-tanks-up-to-6-gal","provider":"petlyvox","version":"1.0","type":"link"}