You're using organic nutes - that switch dealio is more for synthetics. Most synthetics are two-part formulas or strong one-part formulas, where you're using an organic line-up.. so chemical burn is a little harder. You're feeding your soil even though it's not TLO, it is a living soil with microbes and beneficial bacteria. :thumbs:
Follow the feeding schedule, with the size of your plant, it'll be hard - start slow just to work it up, but if your plant can handle the full power, it doesn't hurt with organics. :thumbs:
I would though, advise against the feeding schedule, and discontinue Bio-Grow at the end. I'd say when you have 3 weeks or so to finish up, discontinue Bio-Grow.
I've used the GH Organics Go Box which is very similar brother, has a few more additives but the concept and ingredients are pretty much the same.