Quick question..

[BabyCrusher]

Tried searching but it force quits tapa.

Question is, are there specific rba for bottom feeders or can I use one I already have. I'm assuming the liquid goes up the center or??

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[super_X_drifter]

There are specific RBAs but people have been modding dripping RBAs too. The most common way to do it seems to be:

drilling the center post vertical then drilling a hole in it thru the post at deck level.

Dremeling a channel up the side of the post.

Cutting a slot in the insulator.

I just got a couple of BF cyclones that are already bottom feeders but I had them modded to have another hole drilled in the feed post at deck level cause the stock hole is way up off the deck. Surprisingly even stock they work excellent

If you dip into this forum, there's several threads on them including a list of bottom fed RBAs:
http://www.e-cigarette-forum.com/forum/reos-mods/