Hmmmm, never took phospho soda.. is it carbonated? Full of bubbles and very gassy
As for mixing it with another carbonated beverage, personally they give me gas, and that gives me intense pain... and I'm not sure of the potential risks of pouring gassy beverages into a weakened and possibly close to perforated digestive tract. Every preparation sheet my local hospitals have provided prior to colonoscopy exams allow for the drinking of ginger ale... on the condition that it be flat... stale, no bubbles, etc.
I always assumed that the inclusion of it was based on the premise that ginger is a good thing for IBD, but the exclusion of the bubbles/carbonation was because it isn't good for you.. Now, you know what they say about 'assume'. having had no experience with phospho-soda, others here who have tried it without incident may cause me to rethink my assumptions.. this is a 'learning' environment after all. As for swallowing 'sea' water... Always heard/read that doing so leads to delusions and eventual death.. the 'more' you drink, the faster that it happens. so, those of us who were experienced drinking the various scope preps would be the 1st to go
unless of course the folks in the life rafts, surrounded by a group of us 'crohnies' with no toilets, commited mass suicide first... leaving us 'crohnies' a lot of fresh, red meat that we couldn't eat... Hmmm, that sounds just like our kind of 'luck'