Is consumption of carbonated water good for us? Like 2 litres a day?

Question

If you choose a sparkling mineral water, you can add a variety of minerals to your diet as you quench your thirst.  If you?re currently sipping on some diet soda, I would much rather see you drinking carbonated  water. As long as the sparkling water doesn?t have any unhealthy additives, it is fine, But check labels.  Soda is either loaded with insulin-raising sugars or filled with extremely health-hazardous fake sugars like aspartame.
Some people ,  those are  drinking a ton of sparkling water could feel some unpleasant stomach symptoms . If You are consuming extra carbonation - extra air - so It could cause excessive burping, flatulence and abdominal distention, which could cause a lot of discomfort. 
So moderation is the key.

Diet Clinic · Accepted Answer

If you choose a sparkling mineral water, you can add a variety of minerals to your diet as you quench your thirst.  If you?re currently sipping on some diet soda, I would much rather see you drinking carbonated  water. As long as the sparkling water doesn?t have any unhealthy additives, it is fine, But check labels.  Soda is either loaded with insulin-raising sugars or filled with extremely health-hazardous fake sugars like aspartame.
Some people ,  those are  drinking a ton of sparkling water could feel some unpleasant stomach symptoms . If You are consuming extra carbonation - extra air - so It could cause excessive burping, flatulence and abdominal distention, which could cause a lot of discomfort. 
So moderation is the key.