[APD] PLANTS and BIOLOGICAL FILTRATION

["Robert H" <robertph3 at comcast_net>]

AGA member Diana Walstad has written a new article for AB called Plants and
Biological Filtration. You can read it here,
http://www.aquabotanic.com/walstad/plants_and_biological_filtration.htm and
discuss it with her directly by going here

http://aquabotanicwetthumb.infopop.cc/6/ubb.x?a=frm&s=4006090712&f=4686048124

Robert Paul Hudson
www.aquabotanic.com

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