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Re: Aquatic Plants Digest V6 #52

A perhaps easier way to drill the foam is to wet and freeze it. In the 
frozen state
it's much more stable.

>If you find a source for reticulated urethane foam where
>you can buy reasonable quantities in bulk, you can make
>your own socks.  To drill this stuff, compress is between
>two pieces of wood and drill the sandwich with a fortsner
>bit.  It's difficult to get the stuff to compress neatly.
>You can also nip away at it with scissors.  Doesn't leave a
>very tidy an uniform hole, but, hey, it's just filter sock

Michael Eckardt