I hate that for you.....
I have found many times that some batches of flavorings are stronger than other batches. There was a time when i used TFA hazelnut constantly, and one time I opened a brand new bottle and mixed up my usual, but when I vaped it all I could taste was sweet. It was early in my diy journey, and it took me a while to figure out what was going on. So i contacted the vendor and then TFA, and they told me it was due to the batch being stronger than previous batches. So I mixed at a lower percentage with that batch, and it tasted great again!
Flavoring percentages is a big factor for me, because if I get too much flavoring in my mix the only taste I get is sweet. It drives me crazy! Lol When I make 20ml of my adv hazelnut, I use 24 drops of capella hazelnut V2. If I go higher then I cannot taste it.
I get really upset when I am having sinus stuff or allergy stuff going on, because if I cant smell then I cant taste my
vape...