title_body: How much water should I pour in for blooming process for a french press technique?
upvoted_answer: Disclaimer: I think this question have a few facets. Also, I think all of them have been discussed before. So, before answering, I advise the users to search for the relevant tag, french-press in this case, in the future before asking questions.
  
  
  
  Having a plunger or not: This has been discussed before. Whether it is strictly required to have the French-press equipment. In theory, no. In practice, it is quite useful. You can see the previous discussion below:
  
  
  French press vs simple filter, is French press equipment really necessary?
  
  
  
  
  How you can prepare a French-press? This has been answered a few times before. There are several answers for different tastes. A quick recipe can be found below:
  
  
  What is the recommended coffee bean to water ratio for drip brewing?
  
  
  There are detailed explanations here:
  
  
  how to make French Press coffee the right way?
  
  
  
  
  Finally, about the blooming and the French-press technique: Please see the answers in this discussion. Especially, @tsturzl explains the reasons behind blooming neatly.
  
  
  Does the bloom matter in French Press?