Frankie,
If a 1-liter container were not readily available, I would split one table between the two bags in my kit. I have my eye out for a suitable 1-liter water bag, but the breast milk bags are the best compromise I have found to date. Condoms just do not cut it as reliable water storage devices. Now... if I could find a 1-liter bag along the lines of the milk storage bag I would switch over to it ASAP.
George
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To the last, I grapple with thee; From Hell's heart, I stab at thee; For hate's sake, I spit my last breath at thee.