{"product_id":"mq-submersible-aquarium-heater-300w-for-35-60-gallons-auto-thermostat-lcd-thermometer","title":"MQ Submersible Aquarium Heater 300W for 35-60 Gallons | Auto Thermostat \u0026 LCD Thermometer","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe MQ Submersible Aquarium Heater delivers steady warmth for mid-sized tanks, specifically designed for 35-60 gallon aquariums. With a 300W rating and a 5.0 ft power cord, it offers flexible placement while remaining discreet behind décor or tank walls. The unit ships with a detachable shield and two suction cups to help you position it without crowding the aquatic display. An extra thermometer is included to help you confirm the current temperature at a glance.\u003c\/p\u003e\n\u003ch2\u003eSmart Temperature Control\u003c\/h2\u003e\u003cp\u003eSet the water temperature with eight preset values ranging from 68 to 94 °F. Each setting nudges the temperature in small increments, typically within a 2-degree band, so you can tailor warmth to your fish and plants. The system automatically regulates heating by pausing when the water rises about 1.5–2 °F above the target and resuming when it cools to about 1.5–2 °F below. This approach supports a stable aquatic climate without constant manual adjustments.\u003c\/p\u003e\n\u003ch2\u003eDurability and Safety\u003c\/h2\u003e\u003cp\u003eConstructed with shock-resistant quartz glass and a double sealed case, the heater is designed to be blast-proof and to minimize electrical leakage. It is suitable for both freshwater and saltwater environments, offering a robust option for mixed-tank setups.\u003c\/p\u003e\n\u003ch2\u003eInstallation and Use\u003c\/h2\u003e\u003cp\u003eThe detachable shield helps conceal the heater in the tank while still allowing water flow, and the two suction cups provide secure mounting on glass or acrylic tanks. The included extra thermometer helps you verify the tank temperature in real time, supporting careful adjustments as needed.\u003c\/p\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDetachable shield and two suction cups for discreet mounting\u003c\/li\u003e\n\u003cli\u003eExtra thermometer to monitor tank temperature\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote on sizing: The heater is designed for 35-60 gallon tanks; refer to the size chart to select the appropriate wattage for your setup.\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 this heater designed for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for 35-60 gallon tanks; common fits include 40–55 gallon setups.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this heater suitable for both freshwater and saltwater aquariums?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it works in both freshwater and saltwater environments with a blast-proof design.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MQ","offers":[{"title":"Default Title","offer_id":57199282520441,"sku":"B07WDNWVTW","price":29.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/8934\/1049\/files\/mq-submersible-aquarium-heater-300w-unit.jpg?v=1777775853","url":"https:\/\/petlyvox.com\/products\/mq-submersible-aquarium-heater-300w-for-35-60-gallons-auto-thermostat-lcd-thermometer","provider":"petlyvox","version":"1.0","type":"link"}