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Re: Grapefruit seeds (was APD V3 #774
Does Roman's article give a hint about what he means by "grapefruit
extract"? Water extract? Alcohol extract? Concentration -- how many
seeds does one need to give, say, 10 ppm of extract in a 10-gal tank?
Just think ... put a few grapefruit seeds in your filter -- and forever
be free of algae ... Sounds to good to be true! :-)
> Date: Tue, 12 Jan 1999 22:49:38 PST
> From: "Michael Bartnik" <rev_grover at hotmail_com>
> Subject: Grapefruit seed extract?
> >Date: Sun, 10 Jan 1999 17:38:03 -0500
> >From: Neil Frank <nfrank at mindspring_com>
> - ---------------------
> >Fish Tank Algaecide
> >At very low concentrations, grapefruit seed extract can be a most
> >algaecide for fish tanks, while
> >offering very low toxicity to fish. As is the relative case with human
> >consumption, at low concentration
> >the ingestion of the extract is actually healthful to fish, while
> >protecting them from infection.
> >In one test conducted in South America on coho salmon roes with eyes,
> >Carlos Roman, Zoologist for
> >the Chile Foundation reported, "...the doses between 75 - 200 ppm(of
> >grapefruit seed extract) do not
> >effect the viability of the salmon roes."
> >Now an algae-free fish tank of any size can be maintained...Without the
> >fear of toxifying its contents.
> What effect does grapeseed oil have on higher plants?
> - --Grover