In the world of carto tanks there are plenty of options to choose from. I've noticed recently that even the folks over at House of Hybrids (makers of Zenesis) have gotten in on the action with the Zenesis Carto Tank Hybrid. But what separates a great tank from a piece of junk? First, it needs to be made from a material that won't break down in your liquid altering the flavor of your juice and leading to eventual cracking in your tank. It also needs to form a tight seal both around the cartomizer and the tank tube. But to be a great tank, it also needs to look good. Phiniac has mastered the art of making a great tank that performs well and looks great on your device. Let's take a look at the features.