Just received what I believe is a punched carto sample...I really like it. I've always used the tank system until recently venturing into the clearos; really like them. Now I received a sample carto along w/my liquid order & I'm shocked by how much I like it. Soooo..after doing some research on ECF, I'm REALLY getting confused. The one I have has 2 holes in it towards the bottom - does this mean it should go into a tank? I filled it & stuck it on my ego (no tank) love the taste & the vapor is outstanding - also love the fact that I didn't have to use a syringe. There's a vendor here on ECF that seems to have a good deal going right now on Boges that I'd like to place an order with - last day today - no mention of punched or not. Should this be a concern? Sorry if this is a dumb question but......