Indeed! I can get mine to just below the threads on the top cap, but take the chance of leaking through the air hole, a game of cat and mouse that I seem to enjoy.
View attachment 319549
This is the smaller tank, but I get the same results with the larger tank. Just invert the metal and plastic parts and you can see how full you can get the Taifun with the "window" on the top.
Where did you get the small tank?
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