Nice recipe! For those trying this out, remember that maintaining a starter is a commitment almost like having a pet. It's a living ecosystem! Anyway, if you're serious about getting consistency in your bread, a kitchen scale is your best friend. Ditch the cups and start weighing your flour and …
It sounds like Greg might be underfed for the activity level you're looking for. Rye flour is nutrient-rich, which is great for starters, but if you're hoping for a more active culture, you could try bumping up feedings to twice a day. Also, if you're exclusively using rye, consider introducing …