EM (Effective Microorganisms) accerelates decomposition.
It also has a deodorizing effect on odors generated by slow decomposition.
Please put it in the composter by either of the following method you prefer.
A. Open the capsule and mix the contents thoroughly with the soil in the composter.
B. Dissolve in 200cc of water and mix with the soil in the composter. Suitable when the contents are dry.
EM is from natural material, so it is not harmful to the environment.