when to use nutes with soil? ph?

i have two simple questions, first off when should i start using nutes when growing in say fox farm ocean forest soil? second, should i still adjust the ph of my water when growing in fox farm?

a simple guide to using nutes when growing in soil along with specific ph info would be greatly appreciated.

6.5 to 6.7 is usually good for soil. after the first 3,4 weeks ur gonna wanna use nutes with the water. once a week. goodtimez goodluck