Hi, I have the Ego Tornado as well, it would help to know if you are using atomisers or cartos. Both need to be replaced at regular intervals as they do wear out. After about a month or so of the Ego, I purchased a Lavatube and two Puff Diddy
tanks, these hold about 3ml of liquid and the cartos the tank uses are only about £2 each so they make replacing them quite cheap, you have to prime the cartos first though as I found out to my expense by having a nasty burnt taste in the first one, you do this by dripping the liquid in until it leaks slightly from the bottom, leave it to rest then clean it up, insert it into the tank, drip liquid into the tank attach and fire away. The Lavatube is a good cheap VV (variable voltage) mod, and you can adjust the power up or down until you get the hit and flavour that satisfies you, it takes a 18650 battery and these last all day, and I vape a lot, I get through at least a 3ml tank a day, the joy of adjusting the voltage is that you get the best of each flavour and a good throat hit as well, which suits you and the flavour. I have had my Lavatube since the beginning of Jan, and wrote a review of it in the new members forum, which got some good responses here is the link, I hope it helps.
http://www.e-cigarette-forum.com/fo...54802-my-lavatube-puff-diddy-tank-review.html