(Bella/WHARF is from a bakery on the WHARF in SAN FRANCISCO. This one has to be over 100 years old and is very active with a great sourness to her. I live in the mountains, we have great water, if you live in a city, you have crap, use filtered water) lukewarm water, stirring to mix.
The "organic San Francisco sourdough starter yeast TANGY EXTRA SOUR NEW wharf new" would be a perfect fit for those looking to improve their artisanal bread-making skills at home.