yeah, I used the concentrate at 20% .... I think it had about 3 weeks too (mixed at 12mg) Can you be more specific? Is it the coconut that's tasting 'chemically' to you? ... I can't vape it right now because I finished the 30ml I had made up and I've only just mixed up the rest but ... I dunno what to say really, we both really liked it and @Crewella is probably more picky than me with flavours.