I myself have had issues with the Protank, and all cartomizers. Cartomizers are leaky, gurgle and burn too easily.
I suggest you spend around $8-9 and get yourself an Aspire ET-S BDC Pryex clearomizer. For a bottom coil unit, you get a warm vape and great throat hit. All metal and Pyrex construction. Very well made and solid. I don't thing you'll regret it.


Excellent threaded connection to the EGO base and such. Now there are some here on this forum and a couple of others that complain about these unit having a dry hit. I have not had those issues. The secret is to fill the tank, let it sit for a few minutes, then attach to your battery mod and do several gentle pulls on it to ensure you've filled the coil head assembly with juice.
I use juices that are at minimum 50/50 PG to VG, some are heavier on the VG and they all perform great on the ET-S unit. Some complain about the 2.1 ohm head vs the 1.8 ohm head (stock with the unit when you buy it). I have not tried the 2.1 ohm heads and don't plan to either.
Here's a good close-up look at the coil head.

I suggest you spend around $8-9 and get yourself an Aspire ET-S BDC Pryex clearomizer. For a bottom coil unit, you get a warm vape and great throat hit. All metal and Pyrex construction. Very well made and solid. I don't thing you'll regret it.


Excellent threaded connection to the EGO base and such. Now there are some here on this forum and a couple of others that complain about these unit having a dry hit. I have not had those issues. The secret is to fill the tank, let it sit for a few minutes, then attach to your battery mod and do several gentle pulls on it to ensure you've filled the coil head assembly with juice.
I use juices that are at minimum 50/50 PG to VG, some are heavier on the VG and they all perform great on the ET-S unit. Some complain about the 2.1 ohm head vs the 1.8 ohm head (stock with the unit when you buy it). I have not tried the 2.1 ohm heads and don't plan to either.
Here's a good close-up look at the coil head.

