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Adrian912
02-07-2014, 04:57 PM
How in the blazes can I keep the stupid filter from floating everytime I change the water in my discus grow out tank? I keep having to squeeze the bubbles out...

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CHOPPER
02-07-2014, 05:17 PM
You gota keep it under water or it sucks up air I have the same problem some times.

hsd
02-08-2014, 11:49 AM
You can get sponge filters with a weighted base. Can always glue a small piece of tile to the base to weigh it down.

Apisto Jim
02-08-2014, 12:06 PM
Squeeze the air out of the sponge underwater. That eliminates a lot of the buoyancy.

Larry Bugg
02-08-2014, 12:32 PM
Like Jim says you have to squeeze all the bubbles out underwater but it isn't unusual for me to have to do this repeatedly for a couple of days with a brand new sponge.