MQ Titanium Alloy 500W Aquarium Heater for Salt and Fresh Water, Digital LED Display Submersible Heater with External Thermostat Controller, for Fish Tank 70-80 Gallon

From the brand

MQ was established in 2013 and popular in Europe and America, chosen by millions of households. We are striving to provide top quality products with the best prices.

LED Aquarium Light

Submersible Aquarium

Aquarium Heater

Submersible Water Pump

MQ Fish & Aquatic Supplies

Aquarium Water Pump

Aquarium Heater

Reptile Terrarium Heat Pad

Product Dimensions ‏ : ‎ 14.96 x 0.91 x 0.91 inches; 13.76 ounces
Date First Available ‏ : ‎ April 27, 2019
Manufacturer ‏ : ‎ MQ
ASIN ‏ : ‎ B07R6KK53C
Best Sellers Rank: #48,631 in Pet Supplies (See Top 100 in Pet Supplies) #89 in Aquarium Heaters
Customer Reviews: 3.9 3.9 out of 5 stars (549) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
【Worried about glass heaters cracking in your tank?】 Unlike fragile glass heaters, this one is crafted from premium titanium alloy — completely shatter-proof, explosion-proof, and rust-proof. The double-sealed design ensures zero water leakage or electric shock risk. Perfect for both freshwater and saltwater aquariums where corrosion is a concern.
【Keeping tropical fish, cold-water fish, or even turtles?】 The adjustable temperature range covers 68-94℉ (20-34℃) — warm enough for discus and angelfish, cool enough for goldfish, and suitable for amphibious turtles that need basking warmth. One heater works across freshwater, saltwater, and reptile setups. No need to buy different heaters for different pets.
【Tired of reaching into cold water to adjust your heater?】The external controller lets you change temperature settings without getting your hands wet or disturbing your fish. Just press the button — each press increases 2℉. The bright LED digital display shows real-time water temperature at a glance. No more guessing, no more wet arms, no more stressing your fish.
【Concerned about sudden temperature changes affecting your fish?】 The smart auto-thermostat continuously monitors water temperature and adjusts heating power automatically — not just simple on/off switching. When temperature drops, it adds gentle warmth. When it rises, it reduces power. This helps avoid sudden spikes or drops, supporting a stable and healthy environment for your fish.
【What does the heater do when water level is low?】 This heater includes a built-in sensor that monitors water level. If water level drops below the safe range, the LED display will show an error code to alert you. Normal operation: heating stops when water reaches set temp, restarts when temp drops just 1℉ below setting. The indicator light glows red while heating.