TFTestkits will happily send you a mixing bottle with a straight label if you let them know (how many crooked ones have you gotten, anyway?)That’s great except every mixing bottle I’ve ever gotten has a crooked label.
Marty,My understanding is that the Blue Devil works fine if you are targeting a CYA of 60 and under. Above that level it does not provide the precision needed. Or you need to do a dilute test if you are running a higher CYA.