Not sure but my last 2 batches didn't start to ferment. I used a champagne yeast my third batch this year and it didn't ferment. Dumped it out after 2 weeks and started over using EC1118 and its been a week but nothing again.
I did a starter after letting the 4.5 gallons of sugar water sit for 2 days. I don't start right out with the lemon juice to avoid this problem and I don't do enough wine so no slurry.
Got a good starter going w/EC1118; added 1/2 cup sugar water after 30-45 minutes. Still had fermentation in starter after 30+ more minutes, but not like I thought I would. Added 1/4 cup again after an hour or so and again still had minimal growth. Added into bucket after 1.5+ hours but never got anything after that.
Any clue? This is my 6th batch of SP and its strange I can't get a fermentation to start. Batches of beer surrounding the batch all fermenting fine.