Brewed my first lager. It is a Maibock at 5.5 gallons and OG 1.069. I pitched two rehydrated packs of Saflager W34/70 at 55 degree wort temp. I now realize I probably should have pitched 3 packs. Anyway I have no activity after 40 hours. Should I wait longer or pitch more yeast. If more yeast...