Precision Heater 50W

Marineland Precision Heater 50W packs high-precision heating technology into an extremely compact form factor, perfect for nano-aquariums or small tanks up to 50 liters. The micrometric click-dial firmly locks in the optimal temperature, while the integrated safety switch prevents dangerous overheating (which could harm corals in nano-reefs). Its quartz housing hides easily behind rockwork or plants, preserving the tank's natural aesthetics.

Key Features

• 50W Nano Form Factor: Compact dimensions are perfect for nano-reefs, small aquariums, or breeding tanks up to 50L.
• Click-Dial Knob: Allows you to select and lock in the desired temperature, preventing accidental changes.
• Safety Sensor: Automatically shuts off power if the water level drops below the minimum immersion line.
• Even Distribution: Mica core heats the water column gradually, avoiding local hot spots or thermal shock.