While I'm on the forum I want to ask for more advise. I parked our Holiday Rambler last year in July thinking surely we had several trips left in the season. Aside from some warming starts and moving ...
Your gas is ok. I would recommend to put some Marvel Mystery Oil in the tank according to instructions and fill it with gasoline. Especially when parked for a long time. I fill my tanks completely full after ever trip to avoid condensation which can cause more problems than 6 month old gasoline.
I have used Marvel Mystery Oil for over 50 years in both gasoline and motor oil a couple times or so each year.