Re: [RML] Chemical Dose

HH (Harro.Hieronimus at t-online.de)
Mon, 16 Nov 1998 10:50:42 +0100

Adrian Tappin schrieb:
> At 12:07 16/11/98 +0100, Harro wrote:
>
> >> Active ingredients: Formaldehyde 1031 g/l
> >> Malachite green 19.1 g/l
> >>
> >Again, impossible. It must be a typing mistake. As you write /l it must be a
> >solution. But with that mass of formaldehyde it would be damned solid.
>
> I can tell you only what's on the label?
>
> An aquaculture publication I found today "Calculating Treatments for Ponds
> and Tanks" Southern Regional Aquacultural Center Publication No. 418 states:-
>
> "Formalin consists of 37-40% formaldehyde by weight and is considered 100%
> active".
>
> Their calculation for 100 litres is 2.54 mil so to me it confirms that
> Gary's and my calculations of 2.4 mil seems right in the ballpark???
>
> Adrian.
>
> Adrian R. Tappin
> "Home of the Rainbowfish"
> http://www.ecn.net.au/~atappin/home.htm
>

2.4 mil should do it well, you can go up to 4 mil. What's written about formalin
above is 100% correct.

Best regards

Harro Hieronimus, Solingen, Germany
harro.hieronimus at t-online.de

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No fish - no fun
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