Increase ph of water by using Sodium bicarbonate

How can increase ph of water by using Sodium bicarbonate at which proportion

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Your question should be more clear. Which PH do you want to reach to ?

What is the water current PH ?

I think you can do some basic tests and solve the problem.

A molar solution of NaHCO3 gives a pH of around 8. .saturated solution could give up to 9.You want higher pH use sodium carbonate solution as that can provide you pH of 10 to 11.