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Old 01/11/2008, 10:41 AM   #1
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Join Date: Apr 2007
Location: Twilight zone
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Rena Filstar XP1 canister filter

I am using one of these on my 25 gal reef tank. Every monthIhave been takeing it apart to rinse foam pads one pad biweekly. When I put filter back together and flip handle to fill chamber back with tank water. A white egg white like matter blows out of filter outlet what a mess but snails and crabs go nuts over it. I finaly figured it's the slime in hoss and maybe head of pump on canister housing that you can't get at it's sealed. My ? is is this stuff bad for tank It does it every time I maintain the filter.

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Old 01/11/2008, 12:46 PM   #2
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Location: sacramento, ca
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Hmm. I have the same filter and I have never seen anything like that. Can your get picture of it? Are your fish actually eating it?


Sacramento, CA

Current Tank Info: 55 gallon reef w/20 gallon sump/ER135/ 75 pounds of live rock, 4 in sandbed, 2 b&w ocellaris clowns, yellow watchman/pistol, rosy scaled wrasse, Mystery wrasse, Copperbanded Butterfly, Lighting 48" outer orbit 2 150 mh/ 4 t5 actinics
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Old 01/11/2008, 01:17 PM   #3
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I agree with the above, same filter, havent seen what you see. There are tons of bubbles when starting up the syphon again, but nothing that the fish can eat

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Old 01/11/2008, 01:44 PM   #4
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Location: Russellville, TN
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I have seen it on my xp1 many times. I run that filter on my turtle tank, so my concerns are a little diff than yours. I think that it is bacteria/algae buildup inside the translucent hoses and the housing. I have never experienced a problem with this over the 2+ years I have had that filter running on my turtle tank.

Craig & Holly

1-29g FW

5-cats, 1-dog (Shepherd Mix)

Current Tank Info: To be set up 44g corner pentagon
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