[Annelida] question about formalin

[Vivianne Solis]

Dear Annelidans:
It came to my attention, that despite the traditional fixing in formalin,
when collecting polychaetes recommended by Fauchald all his life, in order
to preserve the organisms that otherwise become wasted in the medium term,
because alcohol does not penetrate their tissues enough, now that substance
appears to be forbidden in Europe.

If so, what are you using to fix them before storing them in alcohol?

Thanks for the feedback

Wormly

Vivianne

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