Hey dave, don't worry, we're not remembered by just our first ever BIAB... no, there's a cumulative effect from all the bolloxed ones we happen to mention thereafter!
Seriously, no biggie with the Caramalt, it should be quite soluble as is and shouldn't need long in the mash anyway.
The mechanics of moving things around your brewery is not something to leave to chance, as you've found, but we do have to take a plunge and do a production run at some point. However, most of us have found out sooner or later that there's indeed a fly in the ointment with our particular gear, you'll learn to adapt and you've probably put some thought into that already.
AG and BIAB are both fairly forgiving as far as processes go and a few fails/ red crosses in a batch can still yield quite an acceptable end result, sometimes it isn't what was expected but is nevertheless quite OK- its beer and it is certainly drinkable- I've only tipped out a batch on account of infection, not by brewing fault. In many respects the bigger challenge is manipulating processes for a particular effect reliably, that's how your batch- by- batch feedback will help to educate you. With such a long turnaround though, that feedback loop is only closed by keeping notes, so keep copious notes is my advice, and learn from any mistakes.
So, congratulations on chalking up your first BIAB, keep it up and in no time at all you'll be knocking out this stuff to suit your own expectations and tastes to a tee, one after another.
