Just a story to share - I'd forgotten how active the second step in a 2 stage starter regimen can be - last night, I decanted and poured the slurry of 833 from my 2L flask into my full 40df 5L flask, set it on the stir plate and went to bed - came down to the kitchen this morning and there was beer on the counter and the crackle of the krausen pressing on the foil covering the flask. Gotta love it!