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Discussion Starter · #1 ·
Help my canister filter won't stop pushing out air bubbles. I ripped it apart and cleaned it and my water level is plenty high enough but It keeps spitting out air bubbles out. Does anybody know what I can do to prevent it.
 

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Check the O ring seal around the cap of the filter if there is anything at all on it it will suck air.



Jeff
 

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Find out where it is sucking air in from there has to be a spot.
 

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Seamonkey,,,what brand of filter ya got there? if i know, mebbe i can help you better,,,in the mean time , like everyone has said:
bottom line , ya got a seal leak , or a pinhole somewhere,,
o-rings /gasket,,on o-rings, remove, and clean off well, apply i lil bit of silicone grease,Scuba shops carry it,,wipe of the excess, and clean the mating surfaces also,,,
on most hoses, check around where the hose goes on for a tight fit,,if it's loose,and can spare it, cut off a lil of the end and re-attach,,use hot water on the end b4 you put it back on,and when it cools , it'll make a better seal the just forcing it on.
another place to check,,,the "nub" that the hose(s) attach to on the filter, check for a crack along the nub area, flex the nub a bit ,while it's running, or when it's unplugged ,use a flashlight or good light ,and look for cracks,,you might see it better when you do a lil flex on it(i've had a few of those over the years) if it's not a bad crack , a lil bit of siliconesealer should fix it up.
my experience is with Magnum330/350's and Fluval's(20 or so yrs)
and other filters pretty much are the same thing in theory,,
good luck, let us know what you find,,,:)
hth
 

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Discussion Starter · #5 ·
I have a going by what the filter say a marineland hot magnum. After I get home from work tommorrow I will rip it apart and go over it very carefully. I never thought to check the orings but that'll be the first thing I check because when it gets tore down for cleaning and filter changes I would suspect that stuff gets in it. All tubing is brand new on itand I do, do the hot water thing (learned it from doing fw) The silicone seal I can get at work because I work in a place that flows 1 million gallons of water in an inclosed chiller system.(also how I learned to build my own chiller) I am also getting air bubbles from where the skimmer water reenter the tank but theres nothing I can do about that since I live in an old house and my floor is off by a good bit. Any way thanks to all for the insight and I hope one day I will be able to help others with there problems like every one here has helped me.
 
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