What precautions need to be taken while using sour culture for setting yogurt?

Question

The home made yogurt culture I have is sour.

Is it possible to get non sour yogurt from sour culture?
What precautions need to be taken while using sour culture for setting fresh yogurt?

Answer 1

Hygiene is your most important tool to successful (and safe) yogurt.

Everything should be spotless and sanitized appropriately.

I have made a yogurt that made me really sick, so take that as a warning to maintain good hygiene while working with cultured foods.