I got my polypro in today and already have most of my tanks with new tubes..
ive recently been building some tanks after being inspired by this thread. since mcmaster can only do a min order of 10ft for the 5/8 polypropylene, i still have enough material for about 80 more tanks. im still waiting on some thumb screws, but this is what ive got so far. ill probably give some to my coworkers who im trying to get to stop smoking analogs.
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I would totally pay money for one of these tanks that don't crack for an ego-c. Im not the most handy or have any tools but I would pay for parts and labor.