I made a mistake brewing Mr Beer kit yesterday that involved using a smack pack. I smacked the yeast pack and it said that it could take 3 hours to activate so after 3 hours I mixed the wort and hops but the pack had not yet swelled to the recommended thickness of at least 1 inch. 5 hours later it was good to go but the wort was now hovering aroung 68 F and I added it anyway. Is 67-68 F too cold for adding the liquid yeast?
Mick
Mick