I agree. have had some water in primer pockets in the past. doing manual drying, cases are de-primes before getting tumbled. I would prefer not to de-prime first, but I am worries about getting a pin stuck in a flash hold and breaking a decapper.
drying
step 1, frankford wet/dry separator, gets most of the pins and the water off.
step 2, spread them out on a large towel drying them as I roll them around with the towel.
step 3, gather the towel into a bag and shake them a few times
step 4, put them in a cardboard box with silica gel and let them sit for a day or 2, shake them around in the morning and evening
Done
I have yet to find water in a flash hole or casing after ding this, I know the food dehydrators are faster, but I'm not spending more on one right now.