Here's the solution I'll be using...
I popped by the local health food store and bought a few natural coconut waters, opting out of using drilled coconuts, as those I picked up perviously were too mature and not the young green ones the water is usually derived from.
Anyway, the local store actually had 3 or 4 different types of pure coconut waters (all of which appeared to have no additives listed in the ingredients... but to be totally sure I bought the one which explicitly states no preservatives, sugars, or anything other than the pure water). I also bought one for myself to drink, and it's rather tasty
Each individual package of coconut water (11.2 fl. oz) runs $2.50. Hopefully the pasteurization process hasn't broken down the natural enzymes
So I diluted the coconut water to 50% and stored it in the refrigerator to help it keep a little better, although I anticipate going through this pretty quickly anyway.
Here are the pics of the brand I'll be using:
Naked Brand:
Disclaimers:
Now we're all set and ready to go