Keep It 100 Salt Nicotine Salt eLiquid Blue Razz is compatible with any non sub-ohm device. But we highly recommend using it with a refillable pod system. Keep It 100 Salt is a nicotine salt infused e-Liquid formulated for pod systems and other similar low power devices. Not recommended for use with RDA's or sub-ohm tanks and devices. Keep It 100 Salt Nicotine Salt eLiquid Blue Razz in your tank today!