A gallong can be constituted-of-or-filled-with (household ammonia).
Oxidation of an (ammonia content) may be accomplished by treatment.
Bacterial oxidation can be constituted-of-or-filled-with ammonia.
A clouddeck can be constituted-of-or-filled-with (ammonia clouds).
A clouddeck can be constituted-of-or-filled-with (ammonia hydrosulfide clouds).