i have mixed up all capella flavours.. in 10ml samples literally every single capella flavour at the same time apart from butter n cake batter n the additives etc.. i mixed at 20% 50/50 with 6mg nic just to see what they are like at max percentage... big mistake!!!! after 1-2 weeks of steeping every flavour makes me want to throw up after 1/4 of a tank and makes me have sickness for a good hour or so after... 15% for every flavour would be just right in my opinion just enough to taste it but with out the part that makes you want to throw up after a little vape!