Frequently Asked Questions

Technical

What is hydrogen sulfide?
Why is hydrogen sulfide a problem in wine-making?
What is Renaissance’s hydrogen sulfide-preventing yeast?
What is classical breeding?
Are Renaissance hydrogen sulfide-preventing yeasts GMO?
What does “dominant strain” mean?
How does the viability of Renaissance hydrogen sulfide-preventing yeasts compare to other active dry yeasts (ADY) by strain?
What is the shelf life of Renaissance hydrogen sulfide-preventing yeasts?
Can I re-use Renaissance hydrogen sulfide-preventing yeasts?

Ordering

What is the cost of using H2S-preventing yeast per bottle of wine?
What package sizes do you offer?