Our club did a bulk buy about 8 mo. ago, and I somehow ended up with a lot of Crystal malt, 25L, 45L, and 65L. It's not milled. I'm figuring it'll last me for another year, maybe 1.5 years, so that'll be 2 to 2.5 years old, in total. It's in storage bins in our basement, no mice should get in, but they aren't sealed. I run a dehumidifier in summer months, so the RH should be no more than 50%, and usually much less, like 20 to 40%. Any thoughts about the affect on taste? Thanks,