Cool water bottle sponge filter

  • We are currently upgrading MFK. thanks! -neo
S

scd250

Feeder Fish
MFK Member
Jun 29, 2010
32
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0
a college
Okay guys...I'm new to this, and pictures will be forthcoming, but I thought it was an awesome idea.

This came about at school when someone brought home a carnival goldfish and had it in a tank, yet refused to provide it filtration because of the 'cost'. Well, here's what I did.

I emptied a regular 20oz water bottle and drilled holes in the bottom. The bottle was then threaded with an extra hose and an airstone (because I am a dork and literally kept a 40gal rubbermaid tub of fish stuff in my room, at the time I was running 3 tanks), filled the bottom with a mixture of charcoal, zeolite, and a little bit of gravel, stuffed the top with cotton balls (and it took like, 2 bags of cotton balls), presented the person (who was a friend) with the filter, and said 'ta-da!'. Two weeks later I tested the water (it was a 10gal) and levels were normal. I'm just sort of proud of this :)

Anyone else have similar projects?
 
Yeah. I do that stuff a lot. The best so far is a nylon bag full of lava rock and some sponges topped and sealed around an upside-down funnel. Then I shoved a powerhead into the funnel and *poof*. Enough filtration for a lightly stocked and well-planted 75gal tank.

Here's my dollar store sump:

This was an early attempt. I've got more controls in place now to keep flow over the scrubbies.
picture.php
 
Nice! Would be cool to see a pic of this 20 oz water bottle filter.. cool story tho
 
Nice save. I still feel bad for the Goldfish.
 
Here's one that I did (not my video):[YT]<object width="480" height="385"><param name="movie" value="http://www.youtube.com/v/p6LLxYbUe6U&hl=en_US&fs=1&"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/p6LLxYbUe6U&hl=en_US&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="480" height="385"></embed></object>[/YT]
 
If I could figure out how to edit I would...that's awesome lol. Apparently I'm not the only one who's done it. I've got a lot of odd filters lying around, I have three running on a 10gal with a bullhead in it (he was 4in when I caught him, it's getting to be time for an upgrade) because he's so messy.
 
Thanks for posting that video.. definitely helped me get a better idea of the water bottle filter.. very cool concept
 
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