Is there any chance the boil time on the priming sugar could affect the carb level in the bottle? Seems like the last couple of batches have been car'b differently even with the same amount of sugar.
I don't know, just thinking
If I can't ride it... 1997 Goldwing
If I can't shoot it... PX4 Storm, Browning Buckmark, S&W 357, Ruger 10-22
or drink it... my Homebrew