What a weird yeast this is! I've used WLP400 Belgian Wit before owning a microscope and it always makes a very foamy starter. With 1 liter of wort it almost blows off my 3 liter Erlenmeyer flask pushing the aluminum foil on top. This is the second starter I make and after counting cells I cannot...
I primarily homebrew beer but have done cider in the past and followed this same routine with different yeast strains and have had no issue.
I picked up 5 gallons of unpasturized cider last week and threw in 7 campden tablets (recommended 1-1.5 per gallon). I waited 24 hours then added pectin...