Active dry yeast of type Saccharomyces cerevisiae DHW-Hamburg-Wansbeck or a product having the same characteristics.
Dissolve 30 ± 0,5 g of sodium chloride (commercial grade), 30 ± 0,5 g of sucrose (commercial grade), and 0,04 ± 0,001 g ascorbic acid in 800 ± 5 g of water. Prepare fresh daily.
Dissolve 5 ± 0,1 g sucrose (commercial grade) in 95 ± 1 g of water. Prepare fresh daily.
Commercial grade.