----- Original Message ----- From: "Jose J.V. Carvalho" <zecocarvalho@ig.com.br> To: "Cichlid" <CICHLID@LISTSERV.UH.EDU>; "Aquarium" <AQUARIUM@LISTSERV.CC.EMORY.EDU>; "Aquarist Freshwater" <FreshwaterAquaria@listbot.com>; "Aquarist" <Aquarist.net@listbot.com>; "Apisto 1" <apisto@majordomo.pobox.com> Sent: Monday, October 16, 2000 3:01 PM Gee, you forgot to crosspost to the APD... > In the list "Aquariomagia" (in Portuguese) someone asked for means to reduce > nitrogenated compounds in tanks, than I remembered of an article in Aquarium > Fish Magazine (Lee Newman, June-1997, 9(6), pp. 34-43) on a filter system > based on terrestrial plants (in the case "Brazilian swords" - Spathiphyllum > sp.). I tried this system with a breeding tank of Oscars, with good results. > > Someone else knows this system and/or have tried anything like this? or have > any comments? Your best bet would be to dive into the various studies concerning the utilization of natural and man-made Wetlands for waste water reclamation. Their entire focus is on plants and soils for contamination removal. A couple of sites to start you out: http://www.geocities.com/RainForest/Vines/6840/SoilTreat.html http://www.wayne-health.org/wc_wastewater_tx.html http://agri.gov.ns.ca/pt/projsum/95/pr95r03.htm http://bluegoose.arw.r9.fws.gov/NWRSFiles/InternetResources/Wetlands.html http://www.ianr.unl.edu/ianr/waterctr/wetlands.html http://www.nalusda.gov/wqic/Bibliographies/eb9701.txt http://aquat1.ifas.ufl.edu/ -Y- David A. Youngker nestor10@mindspring.com ------------------------------------------------------------------------- This is the apistogramma mailing list, apisto@listbox.com. For instructions on how to subscribe or unsubscribe or get help, email apisto-request@listbox.com. Search http://altavista.digital.com for "Apistogramma Mailing List Archives"!