I just needed to find out for myself. Some love 'em. Some hate 'em. So an opportunity came up for me to trade my once used iClear 30S for a brand new Pro tank II. Well I can't say I hate it. But I am not impressed. Filled it and let the wicks saturate for a while. Took a few primer puffs and then gave it a go. Instant gurgling. Few more drags still gurgling. Took it off and had some drops on the battery post. Wiped it off and blew any potential liquid in the tube out. Gave it another go. Gurgling a little less but still not impressed. Just doesn't seem to produce much vapor. Flavor is ok I guess. I might keep it to use once in a while or maybe I will trade it off. Just glad I didn't pay for it.