Questions about Black Gold and Fox Farm soil

Grow Mediums Soil
22

ec116aed549dcc39107eb5470cb9a36fc426d272
ec116aed549dcc39107eb5470cb9a36fc426d272612×816 143 KB
dc09e8744dde494c923cd6ec72b4c7ff5906bc99
dc09e8744dde494c923cd6ec72b4c7ff5906bc99816×612 193 KB
all happy frog with a 2 to 1 perlite addition because i grow in pvc it dosent breath as pots do

23

I just started a grow with this soil when do you think i should give nutrients first