The best replacement for protank is iclear.

The best alternatives to protank are rated as following:
★★★★★  iclear
★★★★★  protank 2
★★★★  aerotank
★★★★  vivi nova
★★★★  evod
★★★  kayfun
★★★  unitank
★★★  iclear 30s
★★  protank mini
★★  rba
★★  protank 3
★★  t3s
★  aspire
★  cartomizer
★  carto tank
★  iclear 30
★  davide
  dct
  protank
  ce4
  ts3

Your alternative for protank is not listed? Suggest!
Speaking about protank, one probably shouldn't forget about mechanical mod.

Other search terms related to protank and their ratings are:
★★★★★ mechanical mod
★★★★ k100
★★★★ ego c twist
★★★ provari
★★ ego
★★ evic
★ ego twist
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You have in mind a companion for protank and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of protank in all years. Click on graph for more.
protank
iclear
protank 2