B BilabongAthlete Feeder Fish MFK Member Jan 17, 2012 64 1 0 SoCal Aug 1, 2012 #1 Both filter around the same amount of GPH but the eheim says it can filter up to 55 gal and the fluval says up to 25 gal why is this if it moves the same amount of water ?
Both filter around the same amount of GPH but the eheim says it can filter up to 55 gal and the fluval says up to 25 gal why is this if it moves the same amount of water ?
D drdrewr Candiru MFK Member Jun 2, 2010 168 1 48 New Jersey Aug 1, 2012 #3 and the amount of flow retained "after" the media has been inserted.