When limiting my primary nutrients, (Canna Terra F...

I think its safe to remove the rhizo. Definitwlt continue the Flores because it also contained the trace elements needed. Keep the zyme and boost are entirely up to you, perhaps only using them once per weeks would be good. But I think it'll be alright to remove them soon, unless you choose otherwise. Did I see a small amount of yellowed leaves on the back left plant on the very bottom? If so you may want some cal mag in there or it may be that one received a slightly higher dose than the others did, or needs a good flush. Best of luck the plants look pretty dang good thus far. Congrats on making it into flowering.