Good morning Eric. I've been using undergravel filters in all of my breeding tanks for 40 years, except for fish that will uncover the filter plate. I install an extra airlift tube extending above the water surface and run my siphon hose down that for partial water changes, no worries about sucking up fry. I don't vacuum the gravel until the fry have some size. Regards, George Morris -----Original Message----- From: Eric Martina [mailto:emartina@uiuc.edu] Sent: Thursday, October 19, 2000 9:07 AM To: Apisto Group Subject: filter for breeding Hello, I am going to set up a 29 gallon tank for breeding. What type of filter should I use? I was looking around the Krib archives but I think I just got more confused. From what I got out of it it seems like either a canister filter, or a sponge filter is best to use because then the fry won't get sucked in. Someone said that they liked the sponge filter better because then the fry can pick at it. But I think they had a 10 gallon, and I am concerned that a sponge filter won't be enough for a 29. Thanks! Eric ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Eric Martina University of Illinois Electrical Engineering ------------------------------------------------------------------------- This is the apistogramma mailing list, apisto@listbox.com. For instructions on how to subscribe or unsubscribe or get help, email apisto-request@listbox.com. Search http://altavista.digital.com for "Apistogramma Mailing List Archives"! ------------------------------------------------------------------------- This is the apistogramma mailing list, apisto@listbox.com. For instructions on how to subscribe or unsubscribe or get help, email apisto-request@listbox.com. Search http://altavista.digital.com for "Apistogramma Mailing List Archives"!