Doesn't hold enough temperature on a 10g nano reef cube. Assuming the water is moving enough that it increases heat loss, you need to increase the size if possible. Maybe good for low flow freshwater tanks.
Convector Electrolux ECH/T-2000 M, white
21 Review
Accumulative electric water heater Thermex Ceramik 50 V, white
11 Review
Tetra HT Submersible Aquarium Heater: Efficiently Regulate Temperature with Electronic Thermostat
9 Review
Sectional radiator Royal Thermo PianoForte 500, number of sections: 10, 11.7 m2, 1170 W, 800 mm.
31 Review
Mini pump Xiaomi Mijia Electric Pump 1S, plastic, black
55 Review
๐งฒ Efficient Magnetic Fish Tank Cleaner: KEDSUM Floating Clean Brush with Handle Design
34 Review
Efficient 2-In-1 Magnetic Fish Tank Cleaner With Non-Slip Design And Scratch-Free Blades
37 Review
Jasonwell Magnetic Aquarium Fish Tank Glass Algae Cleaner - Floating Brush (L Size)
37 Review