Adjust Ph for seedlings?

So I have another question in reference to the seedlings and PH. Seedlings sprouted yesterday from Fox Farm Soil in 4" planters and should be watered with sprayer. I'm using water from tap that measures a ph of 7.74, do I now need to lower this before continuing to spray since it was only used before for germination? And I'm sure there will be more questions as this process continues as I've got this thing about not letting anything die that I'm suppose to be caring for. However, I have plants in my home that are over 8 years old and I just never really thought about the science of it all. This is going to be fun.

Thanks in Advance for any and All Help