Just how did I get 6.5 gallons into a 5 gallon barrel? Well I didn't, though thought I did...
With a view to freeing up a 30 litre bin, I'd transferred Batch 1 last week to the 5 Gallon sherry container (now that 2 has gone - mainly on topping up other batches) only to discover today that it contained a lot of ice:
showing some residual cider in the bottom:
...this much in the sink:
explains how I got 6.5 gals into a 5 gal container...
I'd used the tap on the barrel and hadn't peeked inside till today. Just shows how cold its been all over Christmas this year. Had it thawed and refrozen it would have formed a solid in the bottom, but it was still in fine ice-crystal layers!
Leaves Batch 1 a little more potent at least!