How long is the shelf life of kolb detergents?
kolb detergents and additives have an unlimited durability

All kolb cleaning detergents and cleaning additives have an unlimited service life when properly stored and transported.

Proper storage and transport means stored and transported in an unopened original container between 10 °C and 35 °C with a protection from UV light. If the original container has been opened and is stored or transported between 10 °C and 35 °C with a protection from UV-light the shelf life of undiluted cleaning detergent is minimum 2 years.

It is recommended to use cleaning detergents within 5 years after delivery.