Daze MFG Reds Apple Salt Series Nicotine Salt eLiquid Watermelon is compatible with any non sub-ohm device. But we highly recommend using it with a refillable pod system. Reds Apple Salt Series 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. Reds Apple Salt Series Nicotine Salt eLiquid Watermelon in your tank today!