Hi All - Can anyone tell me what works well for chemical in vials to preserve aquatic insects? My son and I are trying to put together a good collection for our fly tying and also extra credit for his zoology class. Ethanol or ethyl alcohol is supposed to be good, but we can't find it. The local paint store comes the closest with denatured alcohol that is about 67% ethyl alcohol, with unknown other ingredients. Will this work? Also, we have been told to add a few drops of acetic acid to the vial, but we can't find it either. A pharmacist friend tells me a little white vinegar added to the alcohol will suffice as well as preserving color. Is there possibly a web site or an outlet for preserving liquid that anyone may know of?
Thanks, Tom
