I THINK i see cal/mg def(brown veins on leaves in pic 1&2) but it could be the light? i have only just popped my 1st seedling, so wtf do i know !. I did read Seymour's logs about 5 times each lol ,& made up a loose schedule based on his.Not my grow but if it was id be runnin cal/mg & silica now & hold off the PK13/14 till the budz get a bit juicier.From what i gather about PK is it's like an addrenalin shot for 1 or 2 weeks max ,so timing is the key ?, to early or late & she wont get the full benifit..BUT i would wait untill some of the top boys agree or not before taking my advice though
Good luck

ps ,nice grow man :thumbs: