Started another kush n cheese veggin her with my bio legends ,she really is great smoke wait till you're pot bottles done and you can try it mad flavor excellent effect.
I need to check out your thread!
Walt buddy! I'm trippin' on those symptoms mate,... this isn't Fe defc., or at least that alone, there are mixed/conflicting symptoms here! 
.... Fe defc. almost always works from the "palms" out, yellowing the veins and midrib too,... This look more like Zn defc. which usually "zebra stripes" uppermost growth first, or strongly yellows along margins inward,... those leaves with the green core pattern I've never seen before,... could be Cu too, S maybe,...
..... but when it gets this advanced, it's more difficult to diagnose,... Only thing for sure is it's a micro/combo defc. issue, because of where it's hitting worst,,... if you could get a solid in-pot pH, this would help with eliminating some possibles,...
you can make it yourself on youtube has some instructional videos
Where's all the updates fellas? Feels like I pulled out ages ago and still nothing much happening.
@Rebel that IB is looking hella fine my friend, she's gonna be frosty!
Hell im in on that grow journal
