@carlosalan
Don't forget this:
https://rumble.com/v7fdyyy-how-to-filter-reconstituted-peptides-into-a-fresh-3-ml-vial.html?e9s=src_v1_cbl%2Csrc_v1_upp_a
If you have time for a long introduction:
https://www.youtube.com/watch?v=nlXG6pBml0E&list=PLFHm7DeYdMoU9PvpZWViD5-4g971Mk6TJ&index=6
about 21 min. mark