Many OTC medications have formalin/aldehyde in them, but at a
dosage more suited to prolonged exposure.
> Ok now I am really confused..... Formaldehyde is a 37% solution of active
> formaldehyde in water..... so the actual formaldehyde is already
> diluted...this is standard. Formalin is formaldehyde diluted 1 to ten
> with water, so in formalin, the active formaldehyde is only 3.7 %. When
> you are saying 40% formalin are you really referring to stock
> formaldehyde??? Thats what it sounds like!!!!
>
> D. Martin Moore wrote:
>
> > Oops, actually that was inaccurate. The recommendation is 2.5 ml
> > of 40% formalin, in 10 liters of water, for 30 minutes. Innes
> > recommended 20 drops per gallon (which is about the same
> > concentration) for 5-10 minutes, or until the fish shows
exhaustion
Prost,
Martin
-----------------------------------------------------------
Greater American Freshwater Fishes Resource Site (GAFFeRs): http://www.localink4.com/~archimedes/
"Fie on thee, fellow! Whence come these fishes?" - Scheherazade
"Any fish with good teeth is liable to use them." - Wm. T. Innes
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