Ideal water ph for a soil grow?

I have always thought that 6.5 was ideal for growing in soil but lately have heard people saying 6.8-7.2. What is the ideal ph of the water used in organic cultivation?

i heard 6,3 to 6,8

6.8. There are many nutrient absorbtion charts to relay the information you are looking for online. Google is your friend.

i stay between 5.5 and 6.5.
usually around 6.3 though.