Cookie_apisto
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I going to move to an new place in two weeks. Do I need to replace all of the bio filter media in my Eheim 2215 and how much old water do I need to keep? Also I am going to replace the substrates.
You should be able to keep the filter "cycled", you just need the filter media to remain damp and have access to oxygen. Because it is Eheim Classic with, a bottom hose inlet, you can't easily keep a small amount of water contained in the filter while you move it. I might try taking the head and bottom hose off, pouring off 95% of the water away and then placing a wet tea towel over the media, you don't want the towel to be a tight fit, because you need gas exchange.I going to move to an new place in two weeks. Do I need to replace all of the bio filter media in my Eheim 2215.......
The water doesn't have much in the way of microbes in it, so you only need to retain a nominal amount.........how much old water do I need to keep? Also I am going to replace the substrates.