Fill the main Fluval Edge™ tank to the bottom edge of the neck
2. Do not fill past this point.
3. Supply power to the EHEIM™ Compact 600 © and the Marine-Pac 3 will automatically start.
4. A stream of bubbles will come out of the return pipe as air is expelled from the system.
5. When the inlet makes a loud gurgling noise and a stream of bubbles shoots out from the return pipe the water levels need a top-up due to evaporation. The siphon will not break under normal conditions but it is a sensible precaution to top up the evaporated water with fresh water. Add fresh water until the neck of the tank is half full.