Baptist communion elements; photograph by “Alanscottwalker” (4-23-11) [Wikimedia Commons / Creative Commons Attribution-Share Alike 3.0 Unported license] ***** From my book, Biblical Catholic Eucharistic Theology (2011). ***** The historical reason for use of grape juice is the anti-drinking temperance movement of the mid-19th and early 20th centuries. Once it changed, then there was probably an urge to justify it on theological or spiritual grounds, since caving into cultural movements without always stellar biblical backing is not exactly the best rationale in... Read more