Sand?

  • We are currently upgrading MFK. thanks! -neo
Polyester batting would work also, not the loose bagged stuff that you would use in a filter, but the batting that is meant for blankets-you could wrap it over the end, but if you add to much to your siphon intake then you won't remove any waste which defeats the purpose of vacuuming the substrate to begin with
 
im so sorry ive been gone for so long if you still need to know i got it at a petsmart!
 
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