Eheim Professional 3 Filter Set (250/250T/350/350T/e350/600) Powerheads & Circulation the unit should be read

the unit should be read under natural daylight or daylight simulating light

A sensor changes reversibly from yellow to green to blue

API Stress Coat helps prevent the loss of essential electrolytes and protects damaged tissue against disease-causing organisms

once set to the correct temperature it will heat the aquarium water and once the desired temperature is reached will automatically switch off

Regular maintenance and replacement of worn or damaged impeller shafts are essential for the continued operation of the water pump

Eheim Professional 3 Filter Set (250/250T/350/350T/e350/600) Powerheads & Circulation the unit should be readThe Eheim Filter Pad Set Professional 3 is designed to enhance the filtration performance of Eheim Professional 3 and Professional 3e external canister filters. This filter pad set includes both blue and white filter pads that serve different filtration functions to maintain a clean and clear aquarium environment. Here's a breakdown of the key features and functions of this filter pad set: Key Features: Blue Pre Filtration Pad: The blue pre filtration