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trickle filter
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dumbfrog
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Joined: 21 Mar 2003
Location: Australia

PostPosted: 2003.04.15(Tue)20:29    Post subject: trickle filter Reply with quote

OK I made my own filter it's kinda like a trickle filter...I'll explain!

I have an overflow in one corner, the water flows over and down it, then through a pipe and into a 4" wide pvc pipe that is glued upright in my sump, which has filter wool in it. The water is then sucked out through slots cut in the bottom of the pvc pipe into one section of the sump which has bio balls floating at the top of the water. The water is sucked up through them and goes over thre top of a wier into the next section where my pump and heater is kept, it is then pumped back up into the other corner of the tank.

I hope you can understand my description! Confused

So this is like a trickle filter isnt it? Except a trickle filter lets the gravity fed water drip over the bio balls in a drip tray, or has a bio wheel. This alows for the bacteria growing on the bio balls or bio wheel do get lots of oxygen which maximises thier growth, right?

So my bio balls just floating in the sump are just acting like the gravel in the tank? They are getting the same amount of oxygen as the gravel, which kinda defys the whole point of having a trickle filter doesn't it? Sad
When I figured this out (D'OH Mad ) I chucked about half (thats all that would fit) of the bio balls into the top of the 4" pvc pipe above where the filter wool is. In there the water splashes over them and swooshes them around so they come in contact with the surface but are kept wet.
So is this a lot better as it would maximise the amount oxygen they would get?
If anyone has got any suggestions I would appreciate it a lot! I don't want to have go and rebuild my filter completely, just any small ideas on how I could maximise the amount of oxygen the bio balls get.

thanks for taknig the time to read my post!
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Irons
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Joined: 27 Feb 2003
Location: Buffalo, NY

PostPosted: 2003.04.18(Fri)8:50    Post subject: Reply with quote

do you have any pictures?
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dumbfrog
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Joined: 21 Mar 2003
Location: Australia

PostPosted: 2003.04.19(Sat)1:30    Post subject: Reply with quote

OK I'm guessing no one understands what I'm going on about Embarassed doesn't matter. I took some water to my lfs and the ammonia is right down and all is good Razz thansk anyway
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PostPosted: 2003.05.04(Sun)9:16    Post subject: Reply with quote

Sounds like a neat idea, though it's hard to understand without a graphic picture. Could you draw one in in your draw program and post it?
I am just interested in seeing how it works.
Thanks,
Gem. Cool
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PostPosted: 2003.05.04(Sun)11:46    Post subject: Reply with quote

Makes sense to me, and sounds like it would work fine. I might add some more coarse filter material over the wool but other than that you ought to be OK.
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dumbfrog
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Joined: 21 Mar 2003
Location: Australia

PostPosted: 2003.05.05(Mon)4:37    Post subject: Reply with quote

yep I've got some courser material on top of the wool! my guppies just had a load of babies, only one fry died but all is good! (they are only cycling anyway) I can take a pictutre or draw one but I don't know a good site to post it on... Sad
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