What could I do with this

  • We are currently upgrading MFK. thanks! -neo
If you're just doing a sponge filter, you probably should keep the bottom substrate free.
 
Yes you use a power head on a sponge filter. You could also make a filter out of a 20 oz soda bottle and some filter floss and bio balls or whatever you use for biomedia



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$75 or so. with stand and lights.
 
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