If its workin for you then do it up brother...sounds like u are keeping good records which will be invaluable once u have issues (they happen no matter how well u prepare)...good luck on the grow hope they all turn out big and stank
You might want to start them in something other than FFOF...it tends to run too hot for seedlings...try to find a seed starting mix with no ferts...then once they are ready for food transplant to the FFOF
Here are some opinions from a few years ago https://www.rollitup.org/general-marijuana-growing/253347-just-right-xtra-potting-soil.html
A quick google search should bring up more info than you can shake a stick at
Would be really nice to have a legit trade co-op or something like that...now that it's legal to gift that could be a good way to meet more folks and spread genetics...probably just wishful thinking but I would enjoy that