First SLAM... Question about pH levels and water temps

Two main questions relating to the SLAM process:

1. How important is the 7.2-7.5 pH level during a SLAM?
2. Does water temperature affect the SLAM process? (Water temp just hit 60F last night/today)

I started my first ever SLAM today. During the swimming season I kept the pool at 6.5-7.0 FC and 7.6 pH and never had any problems. Water has been too cold for swimming for about 5 weeks now, and I've just been maintaining the FC level. Without us in the pool every day and with...

First SLAM... Question about pH levels and water temps