hmmm - i don't own a canyon (though i might soon!) but i did try using maurten this year in a camelback-style backpack bladder.
the problem i had was that maurten mixed to standard strength is pretty gloopy, and the un-dissolved or semi-dissolved gloop at the bottom of the bladder sort of clogged the valve. so i would blow back into the bladder to free up the opening again, and give the backpack a good shake, and then things worked ok.
this hasn't been an issue with the finer, gatorade-style powders i've used.
so i guess i'm saying it could work but you may want to test it first? if that clogging thing had happened while i was racing it would have been more irritating. . .
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https://lshtm.academia.edu/MikeCallaghan http://howtobeswiss.blogspot.ch/