Just curious, did you warm ferment your Czech pilsner? The reason I ask is that when I was reviewing it, with the first few mouthfuls I thought I was detecting a slight estery flavour. I actually had written down "hint of bubblegum" under flavour, but I went back and deleted that because after a few more sips I thought I'd maybe imagined it as I couldn't pick it out anymore.
Yes I did. When I start drinking it I’ll look out for that now you’ve mentioned it.