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🔥 Keep your aquatic world perfectly balanced and stylishly heated!
The Fluval M50 Ultra-Slim Submersible Aquarium Heater delivers precise 50W heating for freshwater and saltwater tanks up to 15 gallons. Featuring a sleek, ultra-slim design encased in reflective, heat-resistant borosilicate glass, it blends effortlessly into your aquarium environment. With a computer-calibrated thermostat and easy temperature control dial, it ensures consistent, reliable warmth. Engineered in Italy and backed by a 3-year warranty, this heater combines cutting-edge technology with modern aesthetics to elevate your aquatic experience.

| ASIN | B0027VMPXA |
| Best Sellers Rank | #34,128 in Pet Supplies ( See Top 100 in Pet Supplies ) #1,787 in Aquarium Accessories |
| Brand Name | Fluval |
| Color | Silver |
| Customer Reviews | 4.4 4.4 out of 5 stars (2,333) |
| Global Trade Identification Number | 00015561107815 |
| Included Components | Fluval M50 Submersible Glass Aquarium Heater (50 watts) |
| Item Type Name | Submersible Heater |
| Item Weight | 0.62 Pounds |
| Manufacturer | Rolf C. Hagen (USA) Corp. |
| Material Type | Borosilicate Glass |
| UPC | 015561107815 |
| Unit Count | 1 Count |
| Wattage | 50 watts |
A**N
This is an amazing heater, I’ve gone through probably 5 different brands of other heaters that won’t keep a consistent temperature or won’t even work in general. Saw a recommendation for this brand/model and I love it! Super easy to use and to adjust temperature. Highly recommend
Y**K
Très bon chauffage, aucun regret sur son efficacité
H**I
Toller Heizstab! Kann ganz unter Wasser gesteckt werden. Schaltet ab und an den Sensor ein, um die Temperatur zu überprüfen. Seit einem Monat im Gebrauch und die Temperatur bleibt konstant. Gut verarbeitet.
A**Z
Cable is short.
O**M
I love this heater. I have been using it in my betta's tank for about a year, and so far, it has worked very well! This heater is not made for being completely submerged under water. The black and grey part (the part above the little wavy marks) must be above water, along with the cord. I put this heater right next to my filter so that the filter motor can move the warmed water around the aquarium evenly. This heater is, of course, automatic. It has a thermostat somewhere in it that tells it to turn on when the water is too cool and turn off when the water gets warm enough. When the heater is warming your tank water, there will be a blue light on the side, and when it turns on and off, it will make a clicking sound and the light will turn on or off. This is a very good heater for my five-gallon tank. I have it set at about 81 degrees, and it keeps my tank at a steady 78 or 79 degrees Fahrenheit (which is the perfect temperature for betta fish). I am very impressed!
Trustpilot
3 weeks ago
2 weeks ago