BP 1.0 ohm, BP 0.6 ohm coil and BP RAB are compatible with Onixx tank. The BP 0.3ohm and BP 0.17ohm coil are not fit with this tank.
Onixx
Q&A(12)
What is the e-liquid capacity of the Onixx tank?
TPD version: 2 ml Standard version: 2 ml/3 ml(with spare 3 ml glass tube)