.Answer:
Direct object
Explanation:
A gerund phrase (scrubbing with stain remover) is a type of phrase where the main word is a gerund (verb root + -ing). Gerund phrase always serves as a noun and that noun can have the function of a subject, indirect or direct object, predicate nominatives or object of a preposition.
In the given sentence the gerund phrase functions as a direct object where the noun (in this case gerund phrase - scrubbing with stain remover) is receiving the action of the verb tried.