Currently in the process of lowering basal

So was taking 8 units of Tresiba up until last Tuesday when I started my reduced dose of 7, as I have been waking in the low 4's for weeks and when my Hba1c was done last week it came back at 30, reducing it to 7 has done seemingly nothing so moving down to 6 tonight however my DSN has said he wouldn't be surprised if it needs even further reduction so I have to call them to update on Friday x