Malachite Green

[Cynthia S Powers <cyn at metronet_com>]

FORWARDED MESSAGE:

>From: toado at iug_co.nz (Toado)
>To: Aquatic-Plants at actwin_com
>Subject: Re: Aquatic Plants Digest V2 #975
>Date: Thu, 25 Sep 1997 11:25:02 GMT
>
>There's been some confusion recently concerning whether malachite
>green contains copper. Malachite green itself is a purely organic dye,
>useful in the textile industry, as a stain by microbiologists, and as
>a pH indicator by old time chemists. It does not in itself contain
>copper.
>Almost all (if not all?) commercial preparations for the aquarium
>contain substantial quantities of copper sulfate- Its much cheaper
>than malachite green so the manufacturers do a little cheating :).
>
>Cheers,
>toado
>

---

• Prev by Date: Re:Malachite Green - no copper
• Next by Date: Malachite Green
• Prev by thread: Re: Malachite Green
• Next by thread: Malachite Green
• Index(es):
  • Date
  • Thread