mein

• Det

  my

• Pron

Aquarium

aquarium

muss

first/third-person singular present of müssen

mal

• Adv

  1. times (indicating multiplication of two numbers)
  2. (informal) Alternative form of einmal (“sometime, ever, once”), may serve to introduce a new information.
  3. (informal) Softening a sentence, thus making a request or command more polite. By extension, indicating a command or request.

• Verb

wieder

1. again; indicates that the action taking place has happened before
2. back; indicates that the action will return something to its original state or position

gereinigt

• Verb

  past participle of reinigen

• Adj

werden

1. will; to be going (to do something); forms the future tense
2. would; forms the subjunctive tense of most verbs
3. to be done; forms the passive voice
4. to become; to get; to grow; to turn
5. to begin or come to feel or experience (a condition)
6. (colloquial) to be, to happen, to occur (in the future)
7. (colloquial) to be going to work