Welcome.
The "upgrades" can be found on the main
Thursday Next page. They're just Jasper's way of correcting errors he and his editors missed out.
And maybe the pink colouration by shrimps is related to the orange/yellow colouration caused by Sunny Delight?
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Well, because it is
submersed in a
marine environment, I've always called it the Going-Under-The-Water-Safely-Device.