DI resin expired already?

[NastayNatron]

Hey I am just wondering how often everyone in calgary has to change there DI resin. I have just changed mine less then a month ago and it apprears to be expired already? Going in is .01ppm and out is .01ppm. How can this be? Is it because its spring and the water is harder on DI? Or maybe a bad DI to begin with. . . Any ideas? Also is it alright to put .01 or .02ppm water into the tank or best to change it immediately? Thanks