A typical dye bath with the Chemical Technologies indigo dyeing system under equilibrium conditions is as follows:

Indigo: 1 gram/liter (varies from 1-3 grams/liter depending on shade)
Sodium Hydrosulfite: 1.5 - 2 grams/liter
Alkalinity as NaOH: 5 - 10 grams/liter
VIRCOTONE QS-424: 40 grams/liter
pH = 10.8-11.2