The app will open but then just quit before recipes are even loaded. Yes, I have an old phone and no, I can't even make enough space to download/install IOS 8. I have unistalled and reinstalled to no avail. Am I out of luck?

Disclaimer, you didn't really ask about this, however: As someone who does a lot of small batches, I would highly recommend doing 1.25 gallons. 1.25 is nice because at the end you will actually end up with a gallon of beer. The first few I did 1 gallon and did primary and secondary in glass...

First, congrats on the move to all grain. It's super fun and rewarding. Second, I would recommend reading this article in BYO: http://byo.com/hops/item/237-blending-for-volume-techniques I've had a few batches where my boil-off rate was out of control and I ended up with 3.25 gallons when I was...