The following detergents contain phosphates:
- ECE B
- IEC B
The following detergents do not contain phosphates:
- AATCC - OB
- AATCC - WOB
- ECE A
- IEC A
- IEC A*
Although all detergents should be kept in a tightly closed container and stored in a cool dry place, this is even more essential for detergents which contain phosphates.
These types of detergents are more prone to biological degradation under moist conditions than those detergents which are phosphate free.
A PDF version of this FAQ is available for reference.