I was searching for failed almond milk yogurt advice and found your post. I had the same separation problem and I used a vegan powdered yogurt starter that I bought at Whole Foods. Please tell me your almond milk recipe. I soak 1 cup raw almonds in water, add 3 cups water and blend, and then press through a strainer bag? So you had no problem with separation when you made your yogurt with the homemade almond milk? Did you use pectin or agar? I'm curious. I'm a vegan and hoping for good results. This will be my 4th attempt.