Comes ready to use. Will last 3 months in most humidors. Number of packets needed per number of cigars: 2 packets for up to 50 cigars, 4 packets for up to 150 cigars, 6 packets for up to 250 cigars, and so on.
I have had great results with this product...have bought several times and will continue
By Bill on Mar 7, 2017