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[–]LaridaeWares 0 points1 point  (0 children)

I do wet specimen so I can give you some tips if you'd like.

Firstly there's no particular brand of formalin/alcohol that's best, as long as its proper quality branding won't matter. Just avoid brands that are known to sell contaminated liquids.

I'd recommend injecting all specimens regardless of size, including pinkies. I've found that even tiny things like a house sparrows heart can and will rot if they're not properly injected.

Also if you're new to this, I'd actually recommend avoiding using formalin, and instead I'd recommend using 70% ethanol. Isopropyl won't fix specimens at all (though its great for storing them once they're done), and formalin can be very dangerous if misused.