{"product_id":"freesea-aquarium-heater-for-fish-tank-100w-small-submersible-thermostat-with-off-water-protection-ul-certified-cord-for-10-20-gallon-fish-turtle-tanks-enthusiasts-size-100w10-20-gallon","title":"FREESEA Aquarium Heater for Fish Tank: 100W Small Submersible Thermostat with Off-Water Protection \u0026 UL Certified Cord for 10-20 Gallon Fish Turtle Tanks Enthusiasts - size: 100W(10-20 Gallon)","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTropical Fish \u0026amp; Betta Keepers: Worried about sudden temperature drops in your 10-20 gallon tank stressing or even harming your fragile aquatic pets? Our preset 78°F thermostat maintains a safe, stable paradise.\u003c\/li\u003e\n\u003cli\u003eFrom Temperature Swings to Precision Stability: Erratic fluctuations cause stress and illness → Preset thermostat \u0026amp; accurate thermometer maintain perfect warmth for active, healthy fish.\u003c\/li\u003e\n\u003cli\u003eFrom Anxiety to Peace of Mind: Stop constantly worrying and checking the tank. Our heater with advanced Off-Water Protection automatically shuts off for safety, giving you confidence and allowing you to simply enjoy the beauty of your aquarium.\u003c\/li\u003e\n\u003cli\u003eIdeal for a wide range of setups: Betta bowls, nano shrimp tanks, desktop aquariums in offices, or hospital tanks for sick fish. Its compact, fully submersible design fits discreetly in any small aquatic environment.\u003c\/li\u003e\n\u003cli\u003eCertified Safe \u0026amp; Reliable: Backed by UL\/SGS certification and crafted with shatterproof quartz glass. A proven choice trusted by thousands of aquarists.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOverview\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Dimensions ‏:\u003c\/strong\u003e ‎ 7.72 x 3.5 x 1.77 inches; 9.52 ounces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem model number ‏:\u003c\/strong\u003e ‎ FS01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDate First Available ‏:\u003c\/strong\u003e ‎ October 14, 2025\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer ‏:\u003c\/strong\u003e ‎ FREESEA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eASIN ‏:\u003c\/strong\u003e ‎ B0FW47M366\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest Sellers Rank:\u003c\/strong\u003e #77,610 in Pet Supplies (See Top 100 in Pet Supplies)\n#153 in Aquarium Heaters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomer Reviews:\u003c\/strong\u003e 3.0 \n3.0 out of 5 stars\n   (5)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FREESEA","offers":[{"title":"Default Title","offer_id":53050814038325,"sku":"B0FW47M366-size-100w-10-20-gallon","price":33.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/1920\/7477\/files\/51_ZwGmg54L.jpg?v=1782827174","url":"https:\/\/reptivanta.com\/products\/freesea-aquarium-heater-for-fish-tank-100w-small-submersible-thermostat-with-off-water-protection-ul-certified-cord-for-10-20-gallon-fish-turtle-tanks-enthusiasts-size-100w10-20-gallon","provider":"ReptiVanta","version":"1.0","type":"link"}