how to reconnect eheim filter

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Naws

Aquarium Advice Apprentice
Joined
Nov 26, 2008
Messages
28
what is the proper sequence i am supposed to do when reconecting my eheim filter

every time i turn it of or reconnect it i get air bubbles or it doesnt pump the water at all

how do i properly turn it back on
 
I'll assume it's a cannister. On my Fuval 403's before I reinstall the cannister I fill it first with treated water. After connecting the hoses I open the input first, then I open the output valve. After running the motor for a few minutes or seconds depending on the bubbles. I turn it off until the flow stops then repeat until all bubbles stop. If they keep returning then make sure the input is not picking bubbles up in the tank. In the worst case your pump impeller may be cavitating and is creating air bubbles in the pump.
 
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