What should the water's pH be?

And can I safely adjust with BS and Vinegar if I need to raise or lower it?

Here is a PH chart for you. I use PH up and PH down to adjust.

Boneman said:

Here is a PH chart for you. I use PH up and PH down to adjust.

Click to expand...

OKay. So, once I get the pH controlled, I will begin to pH my water to be exactly 6.50.

However, my one question is this. Although it seems that a slightly lower pH such as 6.3 will not allow much room for Mg, C, and P, is this a wise choice to lower the pH from 6.78 to 6.5? Should I use a little under 6.5 like 6.4 or 6.4 to get it down and then from there use 6.5?

yes you can use bs & vin