Have you tried Perpetuem Solids? I love Perpetuem in my bottles on my long rides, but in hot weather, the bottles can get skunky. Perpetuem Solids solves this problem. I can have plain water (or a carb-only mix like Heed) in my bottles, and get some protein from the Solids.
http://www.hammernutrition.com/produ...solids.ps.html
Susan




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