BTW - does anyone here remember mixing the original Phosphagen with grape juice. I remember taking that to the gym and mixing it up right after working out
Yes, the grape juice thing was in the original instructions. I remember literally 1000's of questions on it well into the early 2000's. I remember there were guys that all had their own recipes. A bunch would microwave it, and drink it hot. There was a guy that added salt to his. There were guys that would drink the creatine with water, then chase it with 24-32oz of grape juice.
There were guys that dumped in Kool Aid.
I remember huge fights on whether you could take it with orange juice or Gatorade because of the citric acid. People got so tried of that question that they'd purposely give wrong info, and tell people it would form a poisonous acid

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I remember an old article with one of the EAS guys where the whole grape juice thing came up. He mentioned that while it was considered the best juice performance wise, another big point was that grape juice masked the creatine well, and was the best tolerated as far as taste goes in their larger marketing studies.